Home / 31,931.10-47,867.13-16,314.30

Finding the Fourth Proportional to 31,931.10, 47,867.13 and 16,314.30

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Solution

The fourth proportional to 31,931.10, 47,867.13 and 16,314.30 is: 24,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.10 : 47,867.13 = 16,314.30 : x
  2. Step 2: Convert to fraction form
    31,931.10/47,867.13 = 16,314.30/x
  3. Step 3: Cross multiply
    31,931.10x = 47,867.13 × 16,314.30
  4. Step 4: Simplify right side
    31,931.10x = 780,918,718.96
  5. Step 5: Solve for x
    x = 780,918,718.96/31,931.10
  6. Step 6: Final answer
    x = 24,456.37

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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.