Home / 56,319.22-84,490.98-16,879.78

Finding the Fourth Proportional to 56,319.22, 84,490.98 and 16,879.78

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Solution

The fourth proportional to 56,319.22, 84,490.98 and 16,879.78 is: 25,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,319.22 : 84,490.98 = 16,879.78 : x
  2. Step 2: Convert to fraction form
    56,319.22/84,490.98 = 16,879.78/x
  3. Step 3: Cross multiply
    56,319.22x = 84,490.98 × 16,879.78
  4. Step 4: Simplify right side
    56,319.22x = 1,426,189,154.38
  5. Step 5: Solve for x
    x = 1,426,189,154.38/56,319.22
  6. Step 6: Final answer
    x = 25,323.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.