Home / 31,156.52-42,999.66-17,544.98

Finding the Fourth Proportional to 31,156.52, 42,999.66 and 17,544.98

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Solution

The fourth proportional to 31,156.52, 42,999.66 and 17,544.98 is: 24,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.52 : 42,999.66 = 17,544.98 : x
  2. Step 2: Convert to fraction form
    31,156.52/42,999.66 = 17,544.98/x
  3. Step 3: Cross multiply
    31,156.52x = 42,999.66 × 17,544.98
  4. Step 4: Simplify right side
    31,156.52x = 754,427,959.71
  5. Step 5: Solve for x
    x = 754,427,959.71/31,156.52
  6. Step 6: Final answer
    x = 24,214.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.