Home / 53,818.56-80,737.92-18,757.44

Finding the Fourth Proportional to 53,818.56, 80,737.92 and 18,757.44

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Solution

The fourth proportional to 53,818.56, 80,737.92 and 18,757.44 is: 28,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,818.56 : 80,737.92 = 18,757.44 : x
  2. Step 2: Convert to fraction form
    53,818.56/80,737.92 = 18,757.44/x
  3. Step 3: Cross multiply
    53,818.56x = 80,737.92 × 18,757.44
  4. Step 4: Simplify right side
    53,818.56x = 1,514,436,690.12
  5. Step 5: Solve for x
    x = 1,514,436,690.12/53,818.56
  6. Step 6: Final answer
    x = 28,139.67

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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.