Home / 31,741.89-47,613.17-13,008.87

Finding the Fourth Proportional to 31,741.89, 47,613.17 and 13,008.87

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Solution

The fourth proportional to 31,741.89, 47,613.17 and 13,008.87 is: 19,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.89 : 47,613.17 = 13,008.87 : x
  2. Step 2: Convert to fraction form
    31,741.89/47,613.17 = 13,008.87/x
  3. Step 3: Cross multiply
    31,741.89x = 47,613.17 × 13,008.87
  4. Step 4: Simplify right side
    31,741.89x = 619,393,538.82
  5. Step 5: Solve for x
    x = 619,393,538.82/31,741.89
  6. Step 6: Final answer
    x = 19,513.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.