Home / 48,240.30-72,360.45-21,996.30

Finding the Fourth Proportional to 48,240.30, 72,360.45 and 21,996.30

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Solution

The fourth proportional to 48,240.30, 72,360.45 and 21,996.30 is: 32,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.30 : 72,360.45 = 21,996.30 : x
  2. Step 2: Convert to fraction form
    48,240.30/72,360.45 = 21,996.30/x
  3. Step 3: Cross multiply
    48,240.30x = 72,360.45 × 21,996.30
  4. Step 4: Simplify right side
    48,240.30x = 1,591,662,166.34
  5. Step 5: Solve for x
    x = 1,591,662,166.34/48,240.30
  6. Step 6: Final answer
    x = 32,994.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.