Home / 31,031.66-42,816.40-17,599.82

Finding the Fourth Proportional to 31,031.66, 42,816.40 and 17,599.82

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Solution

The fourth proportional to 31,031.66, 42,816.40 and 17,599.82 is: 24,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.66 : 42,816.40 = 17,599.82 : x
  2. Step 2: Convert to fraction form
    31,031.66/42,816.40 = 17,599.82/x
  3. Step 3: Cross multiply
    31,031.66x = 42,816.40 × 17,599.82
  4. Step 4: Simplify right side
    31,031.66x = 753,560,674.97
  5. Step 5: Solve for x
    x = 753,560,674.97/31,031.66
  6. Step 6: Final answer
    x = 24,283.61

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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.