Home / 56,422.64-77,827.98-36,305.72

Finding the Fourth Proportional to 56,422.64, 77,827.98 and 36,305.72

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Solution

The fourth proportional to 56,422.64, 77,827.98 and 36,305.72 is: 50,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.64 : 77,827.98 = 36,305.72 : x
  2. Step 2: Convert to fraction form
    56,422.64/77,827.98 = 36,305.72/x
  3. Step 3: Cross multiply
    56,422.64x = 77,827.98 × 36,305.72
  4. Step 4: Simplify right side
    56,422.64x = 2,825,600,850.05
  5. Step 5: Solve for x
    x = 2,825,600,850.05/56,422.64
  6. Step 6: Final answer
    x = 50,079.20

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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.