Home / 38,891.20-58,336.80-34,808.80

Finding the Fourth Proportional to 38,891.20, 58,336.80 and 34,808.80

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Solution

The fourth proportional to 38,891.20, 58,336.80 and 34,808.80 is: 52,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.20 : 58,336.80 = 34,808.80 : x
  2. Step 2: Convert to fraction form
    38,891.20/58,336.80 = 34,808.80/x
  3. Step 3: Cross multiply
    38,891.20x = 58,336.80 × 34,808.80
  4. Step 4: Simplify right side
    38,891.20x = 2,030,634,003.84
  5. Step 5: Solve for x
    x = 2,030,634,003.84/38,891.20
  6. Step 6: Final answer
    x = 52,213.20

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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.