Home / 56,830.85-85,243.20-17,387.96

Finding the Fourth Proportional to 56,830.85, 85,243.20 and 17,387.96

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Solution

The fourth proportional to 56,830.85, 85,243.20 and 17,387.96 is: 26,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,830.85 : 85,243.20 = 17,387.96 : x
  2. Step 2: Convert to fraction form
    56,830.85/85,243.20 = 17,387.96/x
  3. Step 3: Cross multiply
    56,830.85x = 85,243.20 × 17,387.96
  4. Step 4: Simplify right side
    56,830.85x = 1,482,205,351.87
  5. Step 5: Solve for x
    x = 1,482,205,351.87/56,830.85
  6. Step 6: Final answer
    x = 26,081.00

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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.