Home / 31,451.44-43,408.56-18,877

Finding the Fourth Proportional to 31,451.44, 43,408.56 and 18,877

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Solution

The fourth proportional to 31,451.44, 43,408.56 and 18,877 is: 26,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.44 : 43,408.56 = 18,877 : x
  2. Step 2: Convert to fraction form
    31,451.44/43,408.56 = 18,877/x
  3. Step 3: Cross multiply
    31,451.44x = 43,408.56 × 18,877
  4. Step 4: Simplify right side
    31,451.44x = 819,423,387.12
  5. Step 5: Solve for x
    x = 819,423,387.12/31,451.44
  6. Step 6: Final answer
    x = 26,053.60

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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.