Home / 38,230.20-57,345.30-36,415.80

Finding the Fourth Proportional to 38,230.20, 57,345.30 and 36,415.80

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Solution

The fourth proportional to 38,230.20, 57,345.30 and 36,415.80 is: 54,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.20 : 57,345.30 = 36,415.80 : x
  2. Step 2: Convert to fraction form
    38,230.20/57,345.30 = 36,415.80/x
  3. Step 3: Cross multiply
    38,230.20x = 57,345.30 × 36,415.80
  4. Step 4: Simplify right side
    38,230.20x = 2,088,274,975.74
  5. Step 5: Solve for x
    x = 2,088,274,975.74/38,230.20
  6. Step 6: Final answer
    x = 54,623.70

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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.