Home / 56,953.26-85,381.28-40,260.78

Finding the Fourth Proportional to 56,953.26, 85,381.28 and 40,260.78

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Solution

The fourth proportional to 56,953.26, 85,381.28 and 40,260.78 is: 60,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,953.26 : 85,381.28 = 40,260.78 : x
  2. Step 2: Convert to fraction form
    56,953.26/85,381.28 = 40,260.78/x
  3. Step 3: Cross multiply
    56,953.26x = 85,381.28 × 40,260.78
  4. Step 4: Simplify right side
    56,953.26x = 3,437,516,930.20
  5. Step 5: Solve for x
    x = 3,437,516,930.20/56,953.26
  6. Step 6: Final answer
    x = 60,356.81

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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.