Home / 57,442.77-79,275.71-40,217.01

Finding the Fourth Proportional to 57,442.77, 79,275.71 and 40,217.01

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Solution

The fourth proportional to 57,442.77, 79,275.71 and 40,217.01 is: 55,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,442.77 : 79,275.71 = 40,217.01 : x
  2. Step 2: Convert to fraction form
    57,442.77/79,275.71 = 40,217.01/x
  3. Step 3: Cross multiply
    57,442.77x = 79,275.71 × 40,217.01
  4. Step 4: Simplify right side
    57,442.77x = 3,188,231,825.09
  5. Step 5: Solve for x
    x = 3,188,231,825.09/57,442.77
  6. Step 6: Final answer
    x = 55,502.75

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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.