Home / 39,069.56-58,635.77-20,355.19

Finding the Fourth Proportional to 39,069.56, 58,635.77 and 20,355.19

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Solution

The fourth proportional to 39,069.56, 58,635.77 and 20,355.19 is: 30,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,069.56 : 58,635.77 = 20,355.19 : x
  2. Step 2: Convert to fraction form
    39,069.56/58,635.77 = 20,355.19/x
  3. Step 3: Cross multiply
    39,069.56x = 58,635.77 × 20,355.19
  4. Step 4: Simplify right side
    39,069.56x = 1,193,541,990.78
  5. Step 5: Solve for x
    x = 1,193,541,990.78/39,069.56
  6. Step 6: Final answer
    x = 30,549.15

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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.