Home / 37,261.20-55,891.80-12,305.10

Finding the Fourth Proportional to 37,261.20, 55,891.80 and 12,305.10

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Solution

The fourth proportional to 37,261.20, 55,891.80 and 12,305.10 is: 18,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261.20 : 55,891.80 = 12,305.10 : x
  2. Step 2: Convert to fraction form
    37,261.20/55,891.80 = 12,305.10/x
  3. Step 3: Cross multiply
    37,261.20x = 55,891.80 × 12,305.10
  4. Step 4: Simplify right side
    37,261.20x = 687,754,188.18
  5. Step 5: Solve for x
    x = 687,754,188.18/37,261.20
  6. Step 6: Final answer
    x = 18,457.65

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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.