Home / 57,869.80-79,859.94-32,719.40

Finding the Fourth Proportional to 57,869.80, 79,859.94 and 32,719.40

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Solution

The fourth proportional to 57,869.80, 79,859.94 and 32,719.40 is: 45,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,869.80 : 79,859.94 = 32,719.40 : x
  2. Step 2: Convert to fraction form
    57,869.80/79,859.94 = 32,719.40/x
  3. Step 3: Cross multiply
    57,869.80x = 79,859.94 × 32,719.40
  4. Step 4: Simplify right side
    57,869.80x = 2,612,969,320.84
  5. Step 5: Solve for x
    x = 2,612,969,320.84/57,869.80
  6. Step 6: Final answer
    x = 45,152.55

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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.