Home / 57,775.12-79,724.71-33,246.72

Finding the Fourth Proportional to 57,775.12, 79,724.71 and 33,246.72

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Solution

The fourth proportional to 57,775.12, 79,724.71 and 33,246.72 is: 45,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775.12 : 79,724.71 = 33,246.72 : x
  2. Step 2: Convert to fraction form
    57,775.12/79,724.71 = 33,246.72/x
  3. Step 3: Cross multiply
    57,775.12x = 79,724.71 × 33,246.72
  4. Step 4: Simplify right side
    57,775.12x = 2,650,585,152.01
  5. Step 5: Solve for x
    x = 2,650,585,152.01/57,775.12
  6. Step 6: Final answer
    x = 45,877.62

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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.