Home / 31,846.53-47,770.27-12,126.18

Finding the Fourth Proportional to 31,846.53, 47,770.27 and 12,126.18

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Solution

The fourth proportional to 31,846.53, 47,770.27 and 12,126.18 is: 18,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.53 : 47,770.27 = 12,126.18 : x
  2. Step 2: Convert to fraction form
    31,846.53/47,770.27 = 12,126.18/x
  3. Step 3: Cross multiply
    31,846.53x = 47,770.27 × 12,126.18
  4. Step 4: Simplify right side
    31,846.53x = 579,270,862.35
  5. Step 5: Solve for x
    x = 579,270,862.35/31,846.53
  6. Step 6: Final answer
    x = 18,189.45

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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.