Home / 42,133.86-63,148.14-21,079.94

Finding the Fourth Proportional to 42,133.86, 63,148.14 and 21,079.94

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Solution

The fourth proportional to 42,133.86, 63,148.14 and 21,079.94 is: 31,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,133.86 : 63,148.14 = 21,079.94 : x
  2. Step 2: Convert to fraction form
    42,133.86/63,148.14 = 21,079.94/x
  3. Step 3: Cross multiply
    42,133.86x = 63,148.14 × 21,079.94
  4. Step 4: Simplify right side
    42,133.86x = 1,331,158,686.57
  5. Step 5: Solve for x
    x = 1,331,158,686.57/42,133.86
  6. Step 6: Final answer
    x = 31,593.56

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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.