Home / 57,286.89-79,038.02-33,084.75

Finding the Fourth Proportional to 57,286.89, 79,038.02 and 33,084.75

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Solution

The fourth proportional to 57,286.89, 79,038.02 and 33,084.75 is: 45,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,286.89 : 79,038.02 = 33,084.75 : x
  2. Step 2: Convert to fraction form
    57,286.89/79,038.02 = 33,084.75/x
  3. Step 3: Cross multiply
    57,286.89x = 79,038.02 × 33,084.75
  4. Step 4: Simplify right side
    57,286.89x = 2,614,953,132.20
  5. Step 5: Solve for x
    x = 2,614,953,132.20/57,286.89
  6. Step 6: Final answer
    x = 45,646.62

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1.5x scale

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.