Home / 56,913.88-85,301.70-40,278.82

Finding the Fourth Proportional to 56,913.88, 85,301.70 and 40,278.82

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Solution

The fourth proportional to 56,913.88, 85,301.70 and 40,278.82 is: 60,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.88 : 85,301.70 = 40,278.82 : x
  2. Step 2: Convert to fraction form
    56,913.88/85,301.70 = 40,278.82/x
  3. Step 3: Cross multiply
    56,913.88x = 85,301.70 × 40,278.82
  4. Step 4: Simplify right side
    56,913.88x = 3,435,851,819.99
  5. Step 5: Solve for x
    x = 3,435,851,819.99/56,913.88
  6. Step 6: Final answer
    x = 60,369.31

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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.