Home / 56,953.10-85,429.65-40,331.90

Finding the Fourth Proportional to 56,953.10, 85,429.65 and 40,331.90

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Solution

The fourth proportional to 56,953.10, 85,429.65 and 40,331.90 is: 60,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,953.10 : 85,429.65 = 40,331.90 : x
  2. Step 2: Convert to fraction form
    56,953.10/85,429.65 = 40,331.90/x
  3. Step 3: Cross multiply
    56,953.10x = 85,429.65 × 40,331.90
  4. Step 4: Simplify right side
    56,953.10x = 3,445,540,100.84
  5. Step 5: Solve for x
    x = 3,445,540,100.84/56,953.10
  6. Step 6: Final answer
    x = 60,497.85

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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.