Home / 31,432.12-47,176.43-28,095.12

Finding the Fourth Proportional to 31,432.12, 47,176.43 and 28,095.12

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Solution

The fourth proportional to 31,432.12, 47,176.43 and 28,095.12 is: 42,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.12 : 47,176.43 = 28,095.12 : x
  2. Step 2: Convert to fraction form
    31,432.12/47,176.43 = 28,095.12/x
  3. Step 3: Cross multiply
    31,432.12x = 47,176.43 × 28,095.12
  4. Step 4: Simplify right side
    31,432.12x = 1,325,427,321.55
  5. Step 5: Solve for x
    x = 1,325,427,321.55/31,432.12
  6. Step 6: Final answer
    x = 42,167.93

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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.