Home / 55,335.52-76,359.92-31,458.88

Finding the Fourth Proportional to 55,335.52, 76,359.92 and 31,458.88

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Solution

The fourth proportional to 55,335.52, 76,359.92 and 31,458.88 is: 43,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.52 : 76,359.92 = 31,458.88 : x
  2. Step 2: Convert to fraction form
    55,335.52/76,359.92 = 31,458.88/x
  3. Step 3: Cross multiply
    55,335.52x = 76,359.92 × 31,458.88
  4. Step 4: Simplify right side
    55,335.52x = 2,402,197,560.09
  5. Step 5: Solve for x
    x = 2,402,197,560.09/55,335.52
  6. Step 6: Final answer
    x = 43,411.49

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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.