Home / 38,800.65-58,201.61-12,505.53

Finding the Fourth Proportional to 38,800.65, 58,201.61 and 12,505.53

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Solution

The fourth proportional to 38,800.65, 58,201.61 and 12,505.53 is: 18,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,800.65 : 58,201.61 = 12,505.53 : x
  2. Step 2: Convert to fraction form
    38,800.65/58,201.61 = 12,505.53/x
  3. Step 3: Cross multiply
    38,800.65x = 58,201.61 × 12,505.53
  4. Step 4: Simplify right side
    38,800.65x = 727,841,917.38
  5. Step 5: Solve for x
    x = 727,841,917.38/38,800.65
  6. Step 6: Final answer
    x = 18,758.50

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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.