Home / 31,837.05-47,757.15-12,117.13

Finding the Fourth Proportional to 31,837.05, 47,757.15 and 12,117.13

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Solution

The fourth proportional to 31,837.05, 47,757.15 and 12,117.13 is: 18,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.05 : 47,757.15 = 12,117.13 : x
  2. Step 2: Convert to fraction form
    31,837.05/47,757.15 = 12,117.13/x
  3. Step 3: Cross multiply
    31,837.05x = 47,757.15 × 12,117.13
  4. Step 4: Simplify right side
    31,837.05x = 578,679,594.98
  5. Step 5: Solve for x
    x = 578,679,594.98/31,837.05
  6. Step 6: Final answer
    x = 18,176.29

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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.