Home / 39,891.02-59,831.87-10,306.53

Finding the Fourth Proportional to 39,891.02, 59,831.87 and 10,306.53

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Solution

The fourth proportional to 39,891.02, 59,831.87 and 10,306.53 is: 15,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.02 : 59,831.87 = 10,306.53 : x
  2. Step 2: Convert to fraction form
    39,891.02/59,831.87 = 10,306.53/x
  3. Step 3: Cross multiply
    39,891.02x = 59,831.87 × 10,306.53
  4. Step 4: Simplify right side
    39,891.02x = 616,658,911.58
  5. Step 5: Solve for x
    x = 616,658,911.58/39,891.02
  6. Step 6: Final answer
    x = 15,458.59

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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.