Home / 37,630.85-56,439.07-18,905.69

Finding the Fourth Proportional to 37,630.85, 56,439.07 and 18,905.69

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Solution

The fourth proportional to 37,630.85, 56,439.07 and 18,905.69 is: 28,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.85 : 56,439.07 = 18,905.69 : x
  2. Step 2: Convert to fraction form
    37,630.85/56,439.07 = 18,905.69/x
  3. Step 3: Cross multiply
    37,630.85x = 56,439.07 × 18,905.69
  4. Step 4: Simplify right side
    37,630.85x = 1,067,019,655.14
  5. Step 5: Solve for x
    x = 1,067,019,655.14/37,630.85
  6. Step 6: Final answer
    x = 28,354.92

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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.