Home / 37,793.20-56,689.80-12,861.40

Finding the Fourth Proportional to 37,793.20, 56,689.80 and 12,861.40

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Solution

The fourth proportional to 37,793.20, 56,689.80 and 12,861.40 is: 19,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,793.20 : 56,689.80 = 12,861.40 : x
  2. Step 2: Convert to fraction form
    37,793.20/56,689.80 = 12,861.40/x
  3. Step 3: Cross multiply
    37,793.20x = 56,689.80 × 12,861.40
  4. Step 4: Simplify right side
    37,793.20x = 729,110,193.72
  5. Step 5: Solve for x
    x = 729,110,193.72/37,793.20
  6. Step 6: Final answer
    x = 19,292.10

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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.