Home / 31,425.13-43,354.35-17,989.17

Finding the Fourth Proportional to 31,425.13, 43,354.35 and 17,989.17

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Solution

The fourth proportional to 31,425.13, 43,354.35 and 17,989.17 is: 24,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.13 : 43,354.35 = 17,989.17 : x
  2. Step 2: Convert to fraction form
    31,425.13/43,354.35 = 17,989.17/x
  3. Step 3: Cross multiply
    31,425.13x = 43,354.35 × 17,989.17
  4. Step 4: Simplify right side
    31,425.13x = 779,908,772.39
  5. Step 5: Solve for x
    x = 779,908,772.39/31,425.13
  6. Step 6: Final answer
    x = 24,818.00

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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.