Home / 31,400.75-43,333.11-17,060.63

Finding the Fourth Proportional to 31,400.75, 43,333.11 and 17,060.63

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Solution

The fourth proportional to 31,400.75, 43,333.11 and 17,060.63 is: 23,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.75 : 43,333.11 = 17,060.63 : x
  2. Step 2: Convert to fraction form
    31,400.75/43,333.11 = 17,060.63/x
  3. Step 3: Cross multiply
    31,400.75x = 43,333.11 × 17,060.63
  4. Step 4: Simplify right side
    31,400.75x = 739,290,156.46
  5. Step 5: Solve for x
    x = 739,290,156.46/31,400.75
  6. Step 6: Final answer
    x = 23,543.71

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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.