Home / 39,866.52-54,617.40-38,371.80

Finding the Fourth Proportional to 39,866.52, 54,617.40 and 38,371.80

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Solution

The fourth proportional to 39,866.52, 54,617.40 and 38,371.80 is: 52,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.52 : 54,617.40 = 38,371.80 : x
  2. Step 2: Convert to fraction form
    39,866.52/54,617.40 = 38,371.80/x
  3. Step 3: Cross multiply
    39,866.52x = 54,617.40 × 38,371.80
  4. Step 4: Simplify right side
    39,866.52x = 2,095,767,949.32
  5. Step 5: Solve for x
    x = 2,095,767,949.32/39,866.52
  6. Step 6: Final answer
    x = 52,569.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.