Home / 39,069.28-58,635.34-20,354.91

Finding the Fourth Proportional to 39,069.28, 58,635.34 and 20,354.91

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Solution

The fourth proportional to 39,069.28, 58,635.34 and 20,354.91 is: 30,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,069.28 : 58,635.34 = 20,354.91 : x
  2. Step 2: Convert to fraction form
    39,069.28/58,635.34 = 20,354.91/x
  3. Step 3: Cross multiply
    39,069.28x = 58,635.34 × 20,354.91
  4. Step 4: Simplify right side
    39,069.28x = 1,193,516,912.25
  5. Step 5: Solve for x
    x = 1,193,516,912.25/39,069.28
  6. Step 6: Final answer
    x = 30,548.73

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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.