Home / 48,281.30-72,418.35-20,194.10

Finding the Fourth Proportional to 48,281.30, 72,418.35 and 20,194.10

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Solution

The fourth proportional to 48,281.30, 72,418.35 and 20,194.10 is: 30,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,281.30 : 72,418.35 = 20,194.10 : x
  2. Step 2: Convert to fraction form
    48,281.30/72,418.35 = 20,194.10/x
  3. Step 3: Cross multiply
    48,281.30x = 72,418.35 × 20,194.10
  4. Step 4: Simplify right side
    48,281.30x = 1,462,423,401.74
  5. Step 5: Solve for x
    x = 1,462,423,401.74/48,281.30
  6. Step 6: Final answer
    x = 30,289.64

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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.