Home / 31,463.50-47,211.67-12,757.36

Finding the Fourth Proportional to 31,463.50, 47,211.67 and 12,757.36

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Solution

The fourth proportional to 31,463.50, 47,211.67 and 12,757.36 is: 19,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.50 : 47,211.67 = 12,757.36 : x
  2. Step 2: Convert to fraction form
    31,463.50/47,211.67 = 12,757.36/x
  3. Step 3: Cross multiply
    31,463.50x = 47,211.67 × 12,757.36
  4. Step 4: Simplify right side
    31,463.50x = 602,296,270.39
  5. Step 5: Solve for x
    x = 602,296,270.39/31,463.50
  6. Step 6: Final answer
    x = 19,142.70

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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.