Home / 57,695.28-86,538.05-18,246.66

Finding the Fourth Proportional to 57,695.28, 86,538.05 and 18,246.66

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Solution

The fourth proportional to 57,695.28, 86,538.05 and 18,246.66 is: 27,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,695.28 : 86,538.05 = 18,246.66 : x
  2. Step 2: Convert to fraction form
    57,695.28/86,538.05 = 18,246.66/x
  3. Step 3: Cross multiply
    57,695.28x = 86,538.05 × 18,246.66
  4. Step 4: Simplify right side
    57,695.28x = 1,579,030,375.41
  5. Step 5: Solve for x
    x = 1,579,030,375.41/57,695.28
  6. Step 6: Final answer
    x = 27,368.45

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1.5x scale

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.