Home / 56,046.95-77,343.23-30,553.80

Finding the Fourth Proportional to 56,046.95, 77,343.23 and 30,553.80

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Solution

The fourth proportional to 56,046.95, 77,343.23 and 30,553.80 is: 42,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,046.95 : 77,343.23 = 30,553.80 : x
  2. Step 2: Convert to fraction form
    56,046.95/77,343.23 = 30,553.80/x
  3. Step 3: Cross multiply
    56,046.95x = 77,343.23 × 30,553.80
  4. Step 4: Simplify right side
    56,046.95x = 2,363,129,428.01
  5. Step 5: Solve for x
    x = 2,363,129,428.01/56,046.95
  6. Step 6: Final answer
    x = 42,163.39

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1.5x scale

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.