Home / 56,557.23-78,049.91-31,065.95

Finding the Fourth Proportional to 56,557.23, 78,049.91 and 31,065.95

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Solution

The fourth proportional to 56,557.23, 78,049.91 and 31,065.95 is: 42,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.23 : 78,049.91 = 31,065.95 : x
  2. Step 2: Convert to fraction form
    56,557.23/78,049.91 = 31,065.95/x
  3. Step 3: Cross multiply
    56,557.23x = 78,049.91 × 31,065.95
  4. Step 4: Simplify right side
    56,557.23x = 2,424,694,815.62
  5. Step 5: Solve for x
    x = 2,424,694,815.62/56,557.23
  6. Step 6: Final answer
    x = 42,871.53

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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.