Home / 31,877.29-43,988.90-17,729.22

Finding the Fourth Proportional to 31,877.29, 43,988.90 and 17,729.22

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Solution

The fourth proportional to 31,877.29, 43,988.90 and 17,729.22 is: 24,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.29 : 43,988.90 = 17,729.22 : x
  2. Step 2: Convert to fraction form
    31,877.29/43,988.90 = 17,729.22/x
  3. Step 3: Cross multiply
    31,877.29x = 43,988.90 × 17,729.22
  4. Step 4: Simplify right side
    31,877.29x = 779,888,797.01
  5. Step 5: Solve for x
    x = 779,888,797.01/31,877.29
  6. Step 6: Final answer
    x = 24,465.34

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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.