Home / 48,276.20-72,414.30-13,219.40

Finding the Fourth Proportional to 48,276.20, 72,414.30 and 13,219.40

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Solution

The fourth proportional to 48,276.20, 72,414.30 and 13,219.40 is: 19,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.20 : 72,414.30 = 13,219.40 : x
  2. Step 2: Convert to fraction form
    48,276.20/72,414.30 = 13,219.40/x
  3. Step 3: Cross multiply
    48,276.20x = 72,414.30 × 13,219.40
  4. Step 4: Simplify right side
    48,276.20x = 957,273,597.42
  5. Step 5: Solve for x
    x = 957,273,597.42/48,276.20
  6. Step 6: Final answer
    x = 19,829.10

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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.