Home / 57,046.52-78,726.97-31,552.79

Finding the Fourth Proportional to 57,046.52, 78,726.97 and 31,552.79

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Solution

The fourth proportional to 57,046.52, 78,726.97 and 31,552.79 is: 43,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.52 : 78,726.97 = 31,552.79 : x
  2. Step 2: Convert to fraction form
    57,046.52/78,726.97 = 31,552.79/x
  3. Step 3: Cross multiply
    57,046.52x = 78,726.97 × 31,552.79
  4. Step 4: Simplify right side
    57,046.52x = 2,484,055,197.55
  5. Step 5: Solve for x
    x = 2,484,055,197.55/57,046.52
  6. Step 6: Final answer
    x = 43,544.38

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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.