Home / 51,726.05-71,373.31-30,509.52

Finding the Fourth Proportional to 51,726.05, 71,373.31 and 30,509.52

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Solution

The fourth proportional to 51,726.05, 71,373.31 and 30,509.52 is: 42,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.05 : 71,373.31 = 30,509.52 : x
  2. Step 2: Convert to fraction form
    51,726.05/71,373.31 = 30,509.52/x
  3. Step 3: Cross multiply
    51,726.05x = 71,373.31 × 30,509.52
  4. Step 4: Simplify right side
    51,726.05x = 2,177,565,428.91
  5. Step 5: Solve for x
    x = 2,177,565,428.91/51,726.05
  6. Step 6: Final answer
    x = 42,098.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.