Home / 66,927.62-100,359.14-38,854.74

Finding the Fourth Proportional to 66,927.62, 100,359.14 and 38,854.74

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Solution

The fourth proportional to 66,927.62, 100,359.14 and 38,854.74 is: 58,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.62 : 100,359.14 = 38,854.74 : x
  2. Step 2: Convert to fraction form
    66,927.62/100,359.14 = 38,854.74/x
  3. Step 3: Cross multiply
    66,927.62x = 100,359.14 × 38,854.74
  4. Step 4: Simplify right side
    66,927.62x = 3,899,428,619.10
  5. Step 5: Solve for x
    x = 3,899,428,619.10/66,927.62
  6. Step 6: Final answer
    x = 58,263.37

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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.