Home / 42,148.81-63,223.22-23,419.89

Finding the Fourth Proportional to 42,148.81, 63,223.22 and 23,419.89

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Solution

The fourth proportional to 42,148.81, 63,223.22 and 23,419.89 is: 35,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148.81 : 63,223.22 = 23,419.89 : x
  2. Step 2: Convert to fraction form
    42,148.81/63,223.22 = 23,419.89/x
  3. Step 3: Cross multiply
    42,148.81x = 63,223.22 × 23,419.89
  4. Step 4: Simplify right side
    42,148.81x = 1,480,680,857.85
  5. Step 5: Solve for x
    x = 1,480,680,857.85/42,148.81
  6. Step 6: Final answer
    x = 35,129.84

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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.