Home / 56,831.61-85,249.04-17,387.85

Finding the Fourth Proportional to 56,831.61, 85,249.04 and 17,387.85

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Solution

The fourth proportional to 56,831.61, 85,249.04 and 17,387.85 is: 26,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.61 : 85,249.04 = 17,387.85 : x
  2. Step 2: Convert to fraction form
    56,831.61/85,249.04 = 17,387.85/x
  3. Step 3: Cross multiply
    56,831.61x = 85,249.04 × 17,387.85
  4. Step 4: Simplify right side
    56,831.61x = 1,482,297,433.22
  5. Step 5: Solve for x
    x = 1,482,297,433.22/56,831.61
  6. Step 6: Final answer
    x = 26,082.27

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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.