Home / 36,729.18-55,084.86-16,988.87

Finding the Fourth Proportional to 36,729.18, 55,084.86 and 16,988.87

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Solution

The fourth proportional to 36,729.18, 55,084.86 and 16,988.87 is: 25,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,729.18 : 55,084.86 = 16,988.87 : x
  2. Step 2: Convert to fraction form
    36,729.18/55,084.86 = 16,988.87/x
  3. Step 3: Cross multiply
    36,729.18x = 55,084.86 × 16,988.87
  4. Step 4: Simplify right side
    36,729.18x = 935,829,663.22
  5. Step 5: Solve for x
    x = 935,829,663.22/36,729.18
  6. Step 6: Final answer
    x = 25,479.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.