Home / 56,885.25-78,502.05-31,734.75

Finding the Fourth Proportional to 56,885.25, 78,502.05 and 31,734.75

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Solution

The fourth proportional to 56,885.25, 78,502.05 and 31,734.75 is: 43,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885.25 : 78,502.05 = 31,734.75 : x
  2. Step 2: Convert to fraction form
    56,885.25/78,502.05 = 31,734.75/x
  3. Step 3: Cross multiply
    56,885.25x = 78,502.05 × 31,734.75
  4. Step 4: Simplify right side
    56,885.25x = 2,491,242,931.24
  5. Step 5: Solve for x
    x = 2,491,242,931.24/56,885.25
  6. Step 6: Final answer
    x = 43,794.18

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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.