Home / 56,753.46-78,326.19-36,602.28

Finding the Fourth Proportional to 56,753.46, 78,326.19 and 36,602.28

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Solution

The fourth proportional to 56,753.46, 78,326.19 and 36,602.28 is: 50,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.46 : 78,326.19 = 36,602.28 : x
  2. Step 2: Convert to fraction form
    56,753.46/78,326.19 = 36,602.28/x
  3. Step 3: Cross multiply
    56,753.46x = 78,326.19 × 36,602.28
  4. Step 4: Simplify right side
    56,753.46x = 2,866,917,137.71
  5. Step 5: Solve for x
    x = 2,866,917,137.71/56,753.46
  6. Step 6: Final answer
    x = 50,515.28

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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.