Home / 57,354.58-79,161.96-31,869.70

Finding the Fourth Proportional to 57,354.58, 79,161.96 and 31,869.70

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Solution

The fourth proportional to 57,354.58, 79,161.96 and 31,869.70 is: 43,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.58 : 79,161.96 = 31,869.70 : x
  2. Step 2: Convert to fraction form
    57,354.58/79,161.96 = 31,869.70/x
  3. Step 3: Cross multiply
    57,354.58x = 79,161.96 × 31,869.70
  4. Step 4: Simplify right side
    57,354.58x = 2,522,867,916.61
  5. Step 5: Solve for x
    x = 2,522,867,916.61/57,354.58
  6. Step 6: Final answer
    x = 43,987.21

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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.