Home / 31,681.60-47,520.96-15,029.44

Finding the Fourth Proportional to 31,681.60, 47,520.96 and 15,029.44

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Solution

The fourth proportional to 31,681.60, 47,520.96 and 15,029.44 is: 22,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.60 : 47,520.96 = 15,029.44 : x
  2. Step 2: Convert to fraction form
    31,681.60/47,520.96 = 15,029.44/x
  3. Step 3: Cross multiply
    31,681.60x = 47,520.96 × 15,029.44
  4. Step 4: Simplify right side
    31,681.60x = 714,213,417.06
  5. Step 5: Solve for x
    x = 714,213,417.06/31,681.60
  6. Step 6: Final answer
    x = 22,543.48

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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.