Home / 31,040.76-42,837.22-17,612.58

Finding the Fourth Proportional to 31,040.76, 42,837.22 and 17,612.58

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Solution

The fourth proportional to 31,040.76, 42,837.22 and 17,612.58 is: 24,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.76 : 42,837.22 = 17,612.58 : x
  2. Step 2: Convert to fraction form
    31,040.76/42,837.22 = 17,612.58/x
  3. Step 3: Cross multiply
    31,040.76x = 42,837.22 × 17,612.58
  4. Step 4: Simplify right side
    31,040.76x = 754,473,964.23
  5. Step 5: Solve for x
    x = 754,473,964.23/31,040.76
  6. Step 6: Final answer
    x = 24,305.91

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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.