Home / 39,330.68-54,267.71-25,721.87

Finding the Fourth Proportional to 39,330.68, 54,267.71 and 25,721.87

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Solution

The fourth proportional to 39,330.68, 54,267.71 and 25,721.87 is: 35,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,330.68 : 54,267.71 = 25,721.87 : x
  2. Step 2: Convert to fraction form
    39,330.68/54,267.71 = 25,721.87/x
  3. Step 3: Cross multiply
    39,330.68x = 54,267.71 × 25,721.87
  4. Step 4: Simplify right side
    39,330.68x = 1,395,866,581.87
  5. Step 5: Solve for x
    x = 1,395,866,581.87/39,330.68
  6. Step 6: Final answer
    x = 35,490.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.