Home / 52,304.04-72,179.40-28,430.76

Finding the Fourth Proportional to 52,304.04, 72,179.40 and 28,430.76

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Solution

The fourth proportional to 52,304.04, 72,179.40 and 28,430.76 is: 39,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.04 : 72,179.40 = 28,430.76 : x
  2. Step 2: Convert to fraction form
    52,304.04/72,179.40 = 28,430.76/x
  3. Step 3: Cross multiply
    52,304.04x = 72,179.40 × 28,430.76
  4. Step 4: Simplify right side
    52,304.04x = 2,052,115,198.34
  5. Step 5: Solve for x
    x = 2,052,115,198.34/52,304.04
  6. Step 6: Final answer
    x = 39,234.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.