Home / 39,523.20-59,279.40-11,821.20

Finding the Fourth Proportional to 39,523.20, 59,279.40 and 11,821.20

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Solution

The fourth proportional to 39,523.20, 59,279.40 and 11,821.20 is: 17,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,523.20 : 59,279.40 = 11,821.20 : x
  2. Step 2: Convert to fraction form
    39,523.20/59,279.40 = 11,821.20/x
  3. Step 3: Cross multiply
    39,523.20x = 59,279.40 × 11,821.20
  4. Step 4: Simplify right side
    39,523.20x = 700,753,643.28
  5. Step 5: Solve for x
    x = 700,753,643.28/39,523.20
  6. Step 6: Final answer
    x = 17,730.18

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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.