Home / 56,608.24-78,115.80-31,456.24

Finding the Fourth Proportional to 56,608.24, 78,115.80 and 31,456.24

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Solution

The fourth proportional to 56,608.24, 78,115.80 and 31,456.24 is: 43,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,608.24 : 78,115.80 = 31,456.24 : x
  2. Step 2: Convert to fraction form
    56,608.24/78,115.80 = 31,456.24/x
  3. Step 3: Cross multiply
    56,608.24x = 78,115.80 × 31,456.24
  4. Step 4: Simplify right side
    56,608.24x = 2,457,229,352.59
  5. Step 5: Solve for x
    x = 2,457,229,352.59/56,608.24
  6. Step 6: Final answer
    x = 43,407.63

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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.