Home / 31,484.48-47,255.92-15,913.04

Finding the Fourth Proportional to 31,484.48, 47,255.92 and 15,913.04

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Solution

The fourth proportional to 31,484.48, 47,255.92 and 15,913.04 is: 23,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.48 : 47,255.92 = 15,913.04 : x
  2. Step 2: Convert to fraction form
    31,484.48/47,255.92 = 15,913.04/x
  3. Step 3: Cross multiply
    31,484.48x = 47,255.92 × 15,913.04
  4. Step 4: Simplify right side
    31,484.48x = 751,985,345.20
  5. Step 5: Solve for x
    x = 751,985,345.20/31,484.48
  6. Step 6: Final answer
    x = 23,884.32

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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.