Home / 31,747.91-47,618.53-13,029.93

Finding the Fourth Proportional to 31,747.91, 47,618.53 and 13,029.93

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Solution

The fourth proportional to 31,747.91, 47,618.53 and 13,029.93 is: 19,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.91 : 47,618.53 = 13,029.93 : x
  2. Step 2: Convert to fraction form
    31,747.91/47,618.53 = 13,029.93/x
  3. Step 3: Cross multiply
    31,747.91x = 47,618.53 × 13,029.93
  4. Step 4: Simplify right side
    31,747.91x = 620,466,080.03
  5. Step 5: Solve for x
    x = 620,466,080.03/31,747.91
  6. Step 6: Final answer
    x = 19,543.52

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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.