Home / 31,503.86-43,472.75-17,356.70

Finding the Fourth Proportional to 31,503.86, 43,472.75 and 17,356.70

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Solution

The fourth proportional to 31,503.86, 43,472.75 and 17,356.70 is: 23,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.86 : 43,472.75 = 17,356.70 : x
  2. Step 2: Convert to fraction form
    31,503.86/43,472.75 = 17,356.70/x
  3. Step 3: Cross multiply
    31,503.86x = 43,472.75 × 17,356.70
  4. Step 4: Simplify right side
    31,503.86x = 754,543,175.78
  5. Step 5: Solve for x
    x = 754,543,175.78/31,503.86
  6. Step 6: Final answer
    x = 23,950.82

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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.