Home / 38,347.20-57,520.80-36,674.40

Finding the Fourth Proportional to 38,347.20, 57,520.80 and 36,674.40

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Solution

The fourth proportional to 38,347.20, 57,520.80 and 36,674.40 is: 55,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.20 : 57,520.80 = 36,674.40 : x
  2. Step 2: Convert to fraction form
    38,347.20/57,520.80 = 36,674.40/x
  3. Step 3: Cross multiply
    38,347.20x = 57,520.80 × 36,674.40
  4. Step 4: Simplify right side
    38,347.20x = 2,109,540,827.52
  5. Step 5: Solve for x
    x = 2,109,540,827.52/38,347.20
  6. Step 6: Final answer
    x = 55,011.60

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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.