Home / 56,243.41-77,585.20-36,077.86

Finding the Fourth Proportional to 56,243.41, 77,585.20 and 36,077.86

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Solution

The fourth proportional to 56,243.41, 77,585.20 and 36,077.86 is: 49,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243.41 : 77,585.20 = 36,077.86 : x
  2. Step 2: Convert to fraction form
    56,243.41/77,585.20 = 36,077.86/x
  3. Step 3: Cross multiply
    56,243.41x = 77,585.20 × 36,077.86
  4. Step 4: Simplify right side
    56,243.41x = 2,799,107,983.67
  5. Step 5: Solve for x
    x = 2,799,107,983.67/56,243.41
  6. Step 6: Final answer
    x = 49,767.75

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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.