Home / 31,517.88-47,282.45-10,459.19

Finding the Fourth Proportional to 31,517.88, 47,282.45 and 10,459.19

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Solution

The fourth proportional to 31,517.88, 47,282.45 and 10,459.19 is: 15,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.88 : 47,282.45 = 10,459.19 : x
  2. Step 2: Convert to fraction form
    31,517.88/47,282.45 = 10,459.19/x
  3. Step 3: Cross multiply
    31,517.88x = 47,282.45 × 10,459.19
  4. Step 4: Simplify right side
    31,517.88x = 494,536,128.22
  5. Step 5: Solve for x
    x = 494,536,128.22/31,517.88
  6. Step 6: Final answer
    x = 15,690.65

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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.