Home / 56,895.26-78,514.88-31,401.86

Finding the Fourth Proportional to 56,895.26, 78,514.88 and 31,401.86

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Solution

The fourth proportional to 56,895.26, 78,514.88 and 31,401.86 is: 43,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.26 : 78,514.88 = 31,401.86 : x
  2. Step 2: Convert to fraction form
    56,895.26/78,514.88 = 31,401.86/x
  3. Step 3: Cross multiply
    56,895.26x = 78,514.88 × 31,401.86
  4. Step 4: Simplify right side
    56,895.26x = 2,465,513,269.68
  5. Step 5: Solve for x
    x = 2,465,513,269.68/56,895.26
  6. Step 6: Final answer
    x = 43,334.25

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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.