Home / 56,331.44-77,666.82-36,152.72

Finding the Fourth Proportional to 56,331.44, 77,666.82 and 36,152.72

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Solution

The fourth proportional to 56,331.44, 77,666.82 and 36,152.72 is: 49,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,331.44 : 77,666.82 = 36,152.72 : x
  2. Step 2: Convert to fraction form
    56,331.44/77,666.82 = 36,152.72/x
  3. Step 3: Cross multiply
    56,331.44x = 77,666.82 × 36,152.72
  4. Step 4: Simplify right side
    56,331.44x = 2,807,866,796.75
  5. Step 5: Solve for x
    x = 2,807,866,796.75/56,331.44
  6. Step 6: Final answer
    x = 49,845.46

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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.