Home / 37,276.20-55,899.45-12,309.30

Finding the Fourth Proportional to 37,276.20, 55,899.45 and 12,309.30

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Solution

The fourth proportional to 37,276.20, 55,899.45 and 12,309.30 is: 18,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.20 : 55,899.45 = 12,309.30 : x
  2. Step 2: Convert to fraction form
    37,276.20/55,899.45 = 12,309.30/x
  3. Step 3: Cross multiply
    37,276.20x = 55,899.45 × 12,309.30
  4. Step 4: Simplify right side
    37,276.20x = 688,083,099.89
  5. Step 5: Solve for x
    x = 688,083,099.89/37,276.20
  6. Step 6: Final answer
    x = 18,459.05

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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.