Home / 54,355.26-81,545.16-19,294.92

Finding the Fourth Proportional to 54,355.26, 81,545.16 and 19,294.92

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Solution

The fourth proportional to 54,355.26, 81,545.16 and 19,294.92 is: 28,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355.26 : 81,545.16 = 19,294.92 : x
  2. Step 2: Convert to fraction form
    54,355.26/81,545.16 = 19,294.92/x
  3. Step 3: Cross multiply
    54,355.26x = 81,545.16 × 19,294.92
  4. Step 4: Simplify right side
    54,355.26x = 1,573,407,338.59
  5. Step 5: Solve for x
    x = 1,573,407,338.59/54,355.26
  6. Step 6: Final answer
    x = 28,946.74

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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.