Home / 56,295.11-77,684.45-30,801.98

Finding the Fourth Proportional to 56,295.11, 77,684.45 and 30,801.98

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Solution

The fourth proportional to 56,295.11, 77,684.45 and 30,801.98 is: 42,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,295.11 : 77,684.45 = 30,801.98 : x
  2. Step 2: Convert to fraction form
    56,295.11/77,684.45 = 30,801.98/x
  3. Step 3: Cross multiply
    56,295.11x = 77,684.45 × 30,801.98
  4. Step 4: Simplify right side
    56,295.11x = 2,392,834,332.78
  5. Step 5: Solve for x
    x = 2,392,834,332.78/56,295.11
  6. Step 6: Final answer
    x = 42,505.19

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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.