Home / 48,305.40-72,425.70-21,996.60

Finding the Fourth Proportional to 48,305.40, 72,425.70 and 21,996.60

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Solution

The fourth proportional to 48,305.40, 72,425.70 and 21,996.60 is: 32,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.40 : 72,425.70 = 21,996.60 : x
  2. Step 2: Convert to fraction form
    48,305.40/72,425.70 = 21,996.60/x
  3. Step 3: Cross multiply
    48,305.40x = 72,425.70 × 21,996.60
  4. Step 4: Simplify right side
    48,305.40x = 1,593,119,152.62
  5. Step 5: Solve for x
    x = 1,593,119,152.62/48,305.40
  6. Step 6: Final answer
    x = 32,980.15

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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.