Home / 45,091.62-67,636.76-15,509.72

Finding the Fourth Proportional to 45,091.62, 67,636.76 and 15,509.72

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Solution

The fourth proportional to 45,091.62, 67,636.76 and 15,509.72 is: 23,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,091.62 : 67,636.76 = 15,509.72 : x
  2. Step 2: Convert to fraction form
    45,091.62/67,636.76 = 15,509.72/x
  3. Step 3: Cross multiply
    45,091.62x = 67,636.76 × 15,509.72
  4. Step 4: Simplify right side
    45,091.62x = 1,049,026,793.57
  5. Step 5: Solve for x
    x = 1,049,026,793.57/45,091.62
  6. Step 6: Final answer
    x = 23,264.34

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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.