Home / 49,419.08-74,129.80-17,831.80

Finding the Fourth Proportional to 49,419.08, 74,129.80 and 17,831.80

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Solution

The fourth proportional to 49,419.08, 74,129.80 and 17,831.80 is: 26,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.08 : 74,129.80 = 17,831.80 : x
  2. Step 2: Convert to fraction form
    49,419.08/74,129.80 = 17,831.80/x
  3. Step 3: Cross multiply
    49,419.08x = 74,129.80 × 17,831.80
  4. Step 4: Simplify right side
    49,419.08x = 1,321,867,767.64
  5. Step 5: Solve for x
    x = 1,321,867,767.64/49,419.08
  6. Step 6: Final answer
    x = 26,748.13

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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.