Home / 31,831.76-47,513.98-29,486

Finding the Fourth Proportional to 31,831.76, 47,513.98 and 29,486

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Solution

The fourth proportional to 31,831.76, 47,513.98 and 29,486 is: 44,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.76 : 47,513.98 = 29,486 : x
  2. Step 2: Convert to fraction form
    31,831.76/47,513.98 = 29,486/x
  3. Step 3: Cross multiply
    31,831.76x = 47,513.98 × 29,486
  4. Step 4: Simplify right side
    31,831.76x = 1,400,997,214.28
  5. Step 5: Solve for x
    x = 1,400,997,214.28/31,831.76
  6. Step 6: Final answer
    x = 44,012.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.