Home / 39,984.13-60,012.78-20,276.29

Finding the Fourth Proportional to 39,984.13, 60,012.78 and 20,276.29

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Solution

The fourth proportional to 39,984.13, 60,012.78 and 20,276.29 is: 30,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.13 : 60,012.78 = 20,276.29 : x
  2. Step 2: Convert to fraction form
    39,984.13/60,012.78 = 20,276.29/x
  3. Step 3: Cross multiply
    39,984.13x = 60,012.78 × 20,276.29
  4. Step 4: Simplify right side
    39,984.13x = 1,216,836,530.99
  5. Step 5: Solve for x
    x = 1,216,836,530.99/39,984.13
  6. Step 6: Final answer
    x = 30,432.99

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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.