Home / 39,440-59,153.38-11,731.52

Finding the Fourth Proportional to 39,440, 59,153.38 and 11,731.52

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Solution

The fourth proportional to 39,440, 59,153.38 and 11,731.52 is: 17,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,440 : 59,153.38 = 11,731.52 : x
  2. Step 2: Convert to fraction form
    39,440/59,153.38 = 11,731.52/x
  3. Step 3: Cross multiply
    39,440x = 59,153.38 × 11,731.52
  4. Step 4: Simplify right side
    39,440x = 693,959,060.54
  5. Step 5: Solve for x
    x = 693,959,060.54/39,440
  6. Step 6: Final answer
    x = 17,595.31

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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.