Home / 38,275.71-57,419.51-19,545.62

Finding the Fourth Proportional to 38,275.71, 57,419.51 and 19,545.62

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Solution

The fourth proportional to 38,275.71, 57,419.51 and 19,545.62 is: 29,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.71 : 57,419.51 = 19,545.62 : x
  2. Step 2: Convert to fraction form
    38,275.71/57,419.51 = 19,545.62/x
  3. Step 3: Cross multiply
    38,275.71x = 57,419.51 × 19,545.62
  4. Step 4: Simplify right side
    38,275.71x = 1,122,299,538.22
  5. Step 5: Solve for x
    x = 1,122,299,538.22/38,275.71
  6. Step 6: Final answer
    x = 29,321.46

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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.