Home / 37,272.20-55,908.30-12,316.10

Finding the Fourth Proportional to 37,272.20, 55,908.30 and 12,316.10

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Solution

The fourth proportional to 37,272.20, 55,908.30 and 12,316.10 is: 18,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272.20 : 55,908.30 = 12,316.10 : x
  2. Step 2: Convert to fraction form
    37,272.20/55,908.30 = 12,316.10/x
  3. Step 3: Cross multiply
    37,272.20x = 55,908.30 × 12,316.10
  4. Step 4: Simplify right side
    37,272.20x = 688,572,213.63
  5. Step 5: Solve for x
    x = 688,572,213.63/37,272.20
  6. Step 6: Final answer
    x = 18,474.15

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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.