Home / 56,764.41-78,334.89-31,613.91

Finding the Fourth Proportional to 56,764.41, 78,334.89 and 31,613.91

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Solution

The fourth proportional to 56,764.41, 78,334.89 and 31,613.91 is: 43,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.41 : 78,334.89 = 31,613.91 : x
  2. Step 2: Convert to fraction form
    56,764.41/78,334.89 = 31,613.91/x
  3. Step 3: Cross multiply
    56,764.41x = 78,334.89 × 31,613.91
  4. Step 4: Simplify right side
    56,764.41x = 2,476,471,750.01
  5. Step 5: Solve for x
    x = 2,476,471,750.01/56,764.41
  6. Step 6: Final answer
    x = 43,627.19

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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.