Home / 39,831.80-59,877.30-34,129.40

Finding the Fourth Proportional to 39,831.80, 59,877.30 and 34,129.40

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Solution

The fourth proportional to 39,831.80, 59,877.30 and 34,129.40 is: 51,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.80 : 59,877.30 = 34,129.40 : x
  2. Step 2: Convert to fraction form
    39,831.80/59,877.30 = 34,129.40/x
  3. Step 3: Cross multiply
    39,831.80x = 59,877.30 × 34,129.40
  4. Step 4: Simplify right side
    39,831.80x = 2,043,576,322.62
  5. Step 5: Solve for x
    x = 2,043,576,322.62/39,831.80
  6. Step 6: Final answer
    x = 51,305.15

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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.