Home / 53,951.18-74,451.19-31,288.76

Finding the Fourth Proportional to 53,951.18, 74,451.19 and 31,288.76

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Solution

The fourth proportional to 53,951.18, 74,451.19 and 31,288.76 is: 43,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,951.18 : 74,451.19 = 31,288.76 : x
  2. Step 2: Convert to fraction form
    53,951.18/74,451.19 = 31,288.76/x
  3. Step 3: Cross multiply
    53,951.18x = 74,451.19 × 31,288.76
  4. Step 4: Simplify right side
    53,951.18x = 2,329,485,415.62
  5. Step 5: Solve for x
    x = 2,329,485,415.62/53,951.18
  6. Step 6: Final answer
    x = 43,177.65

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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.