Home / 56,739.93-78,296.27-31,591.77

Finding the Fourth Proportional to 56,739.93, 78,296.27 and 31,591.77

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Solution

The fourth proportional to 56,739.93, 78,296.27 and 31,591.77 is: 43,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.93 : 78,296.27 = 31,591.77 : x
  2. Step 2: Convert to fraction form
    56,739.93/78,296.27 = 31,591.77/x
  3. Step 3: Cross multiply
    56,739.93x = 78,296.27 × 31,591.77
  4. Step 4: Simplify right side
    56,739.93x = 2,473,517,595.74
  5. Step 5: Solve for x
    x = 2,473,517,595.74/56,739.93
  6. Step 6: Final answer
    x = 43,593.95

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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.