Home / 39,549.20-59,321.28-20,823.60

Finding the Fourth Proportional to 39,549.20, 59,321.28 and 20,823.60

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Solution

The fourth proportional to 39,549.20, 59,321.28 and 20,823.60 is: 31,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.20 : 59,321.28 = 20,823.60 : x
  2. Step 2: Convert to fraction form
    39,549.20/59,321.28 = 20,823.60/x
  3. Step 3: Cross multiply
    39,549.20x = 59,321.28 × 20,823.60
  4. Step 4: Simplify right side
    39,549.20x = 1,235,282,606.21
  5. Step 5: Solve for x
    x = 1,235,282,606.21/39,549.20
  6. Step 6: Final answer
    x = 31,234.07

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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.