Home / 56,830.86-85,247.91-17,387.10

Finding the Fourth Proportional to 56,830.86, 85,247.91 and 17,387.10

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Solution

The fourth proportional to 56,830.86, 85,247.91 and 17,387.10 is: 26,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,830.86 : 85,247.91 = 17,387.10 : x
  2. Step 2: Convert to fraction form
    56,830.86/85,247.91 = 17,387.10/x
  3. Step 3: Cross multiply
    56,830.86x = 85,247.91 × 17,387.10
  4. Step 4: Simplify right side
    56,830.86x = 1,482,213,935.96
  5. Step 5: Solve for x
    x = 1,482,213,935.96/56,830.86
  6. Step 6: Final answer
    x = 26,081.15

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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.