Home / 31,612.11-47,315.28-23,288.85

Finding the Fourth Proportional to 31,612.11, 47,315.28 and 23,288.85

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Solution

The fourth proportional to 31,612.11, 47,315.28 and 23,288.85 is: 34,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.11 : 47,315.28 = 23,288.85 : x
  2. Step 2: Convert to fraction form
    31,612.11/47,315.28 = 23,288.85/x
  3. Step 3: Cross multiply
    31,612.11x = 47,315.28 × 23,288.85
  4. Step 4: Simplify right side
    31,612.11x = 1,101,918,458.63
  5. Step 5: Solve for x
    x = 1,101,918,458.63/31,612.11
  6. Step 6: Final answer
    x = 34,857.48

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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.