Home / 48,210.20-72,380.10-30,714.20

Finding the Fourth Proportional to 48,210.20, 72,380.10 and 30,714.20

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Solution

The fourth proportional to 48,210.20, 72,380.10 and 30,714.20 is: 46,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,210.20 : 72,380.10 = 30,714.20 : x
  2. Step 2: Convert to fraction form
    48,210.20/72,380.10 = 30,714.20/x
  3. Step 3: Cross multiply
    48,210.20x = 72,380.10 × 30,714.20
  4. Step 4: Simplify right side
    48,210.20x = 2,223,096,867.42
  5. Step 5: Solve for x
    x = 2,223,096,867.42/48,210.20
  6. Step 6: Final answer
    x = 46,112.58

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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.