Home / 45,728.58-68,595.55-17,648.78

Finding the Fourth Proportional to 45,728.58, 68,595.55 and 17,648.78

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Solution

The fourth proportional to 45,728.58, 68,595.55 and 17,648.78 is: 26,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,728.58 : 68,595.55 = 17,648.78 : x
  2. Step 2: Convert to fraction form
    45,728.58/68,595.55 = 17,648.78/x
  3. Step 3: Cross multiply
    45,728.58x = 68,595.55 × 17,648.78
  4. Step 4: Simplify right side
    45,728.58x = 1,210,627,770.93
  5. Step 5: Solve for x
    x = 1,210,627,770.93/45,728.58
  6. Step 6: Final answer
    x = 26,474.20

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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.