Home / 52,487.74-72,432.18-28,612.96

Finding the Fourth Proportional to 52,487.74, 72,432.18 and 28,612.96

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Solution

The fourth proportional to 52,487.74, 72,432.18 and 28,612.96 is: 39,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.74 : 72,432.18 = 28,612.96 : x
  2. Step 2: Convert to fraction form
    52,487.74/72,432.18 = 28,612.96/x
  3. Step 3: Cross multiply
    52,487.74x = 72,432.18 × 28,612.96
  4. Step 4: Simplify right side
    52,487.74x = 2,072,499,069.05
  5. Step 5: Solve for x
    x = 2,072,499,069.05/52,487.74
  6. Step 6: Final answer
    x = 39,485.39

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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.