Home / 31,602.48-43,613.72-18,177.95

Finding the Fourth Proportional to 31,602.48, 43,613.72 and 18,177.95

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Solution

The fourth proportional to 31,602.48, 43,613.72 and 18,177.95 is: 25,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,602.48 : 43,613.72 = 18,177.95 : x
  2. Step 2: Convert to fraction form
    31,602.48/43,613.72 = 18,177.95/x
  3. Step 3: Cross multiply
    31,602.48x = 43,613.72 × 18,177.95
  4. Step 4: Simplify right side
    31,602.48x = 792,807,712.52
  5. Step 5: Solve for x
    x = 792,807,712.52/31,602.48
  6. Step 6: Final answer
    x = 25,086.88

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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.