Home / 31,461.17-47,191.74-11,472.17

Finding the Fourth Proportional to 31,461.17, 47,191.74 and 11,472.17

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Solution

The fourth proportional to 31,461.17, 47,191.74 and 11,472.17 is: 17,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.17 : 47,191.74 = 11,472.17 : x
  2. Step 2: Convert to fraction form
    31,461.17/47,191.74 = 11,472.17/x
  3. Step 3: Cross multiply
    31,461.17x = 47,191.74 × 11,472.17
  4. Step 4: Simplify right side
    31,461.17x = 541,391,384.90
  5. Step 5: Solve for x
    x = 541,391,384.90/31,461.17
  6. Step 6: Final answer
    x = 17,208.24

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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.