Home / 56,426.52-77,868.36-31,276.02

Finding the Fourth Proportional to 56,426.52, 77,868.36 and 31,276.02

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Solution

The fourth proportional to 56,426.52, 77,868.36 and 31,276.02 is: 43,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,426.52 : 77,868.36 = 31,276.02 : x
  2. Step 2: Convert to fraction form
    56,426.52/77,868.36 = 31,276.02/x
  3. Step 3: Cross multiply
    56,426.52x = 77,868.36 × 31,276.02
  4. Step 4: Simplify right side
    56,426.52x = 2,435,412,384.73
  5. Step 5: Solve for x
    x = 2,435,412,384.73/56,426.52
  6. Step 6: Final answer
    x = 43,160.78

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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.