Home / 45,444.33-68,113.17-20,455.16

Finding the Fourth Proportional to 45,444.33, 68,113.17 and 20,455.16

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Solution

The fourth proportional to 45,444.33, 68,113.17 and 20,455.16 is: 30,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444.33 : 68,113.17 = 20,455.16 : x
  2. Step 2: Convert to fraction form
    45,444.33/68,113.17 = 20,455.16/x
  3. Step 3: Cross multiply
    45,444.33x = 68,113.17 × 20,455.16
  4. Step 4: Simplify right side
    45,444.33x = 1,393,265,449.89
  5. Step 5: Solve for x
    x = 1,393,265,449.89/45,444.33
  6. Step 6: Final answer
    x = 30,658.73

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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.