Home / 39,721.43-59,582.09-10,139.27

Finding the Fourth Proportional to 39,721.43, 59,582.09 and 10,139.27

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Solution

The fourth proportional to 39,721.43, 59,582.09 and 10,139.27 is: 15,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.43 : 59,582.09 = 10,139.27 : x
  2. Step 2: Convert to fraction form
    39,721.43/59,582.09 = 10,139.27/x
  3. Step 3: Cross multiply
    39,721.43x = 59,582.09 × 10,139.27
  4. Step 4: Simplify right side
    39,721.43x = 604,118,625.11
  5. Step 5: Solve for x
    x = 604,118,625.11/39,721.43
  6. Step 6: Final answer
    x = 15,208.88

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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.