Home / 57,663.12-79,574.88-31,167.12

Finding the Fourth Proportional to 57,663.12, 79,574.88 and 31,167.12

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Solution

The fourth proportional to 57,663.12, 79,574.88 and 31,167.12 is: 43,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,663.12 : 79,574.88 = 31,167.12 : x
  2. Step 2: Convert to fraction form
    57,663.12/79,574.88 = 31,167.12/x
  3. Step 3: Cross multiply
    57,663.12x = 79,574.88 × 31,167.12
  4. Step 4: Simplify right side
    57,663.12x = 2,480,119,833.95
  5. Step 5: Solve for x
    x = 2,480,119,833.95/57,663.12
  6. Step 6: Final answer
    x = 43,010.50

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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.