Home / 45,340.17-68,032.55-20,397.84

Finding the Fourth Proportional to 45,340.17, 68,032.55 and 20,397.84

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Solution

The fourth proportional to 45,340.17, 68,032.55 and 20,397.84 is: 30,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340.17 : 68,032.55 = 20,397.84 : x
  2. Step 2: Convert to fraction form
    45,340.17/68,032.55 = 20,397.84/x
  3. Step 3: Cross multiply
    45,340.17x = 68,032.55 × 20,397.84
  4. Step 4: Simplify right side
    45,340.17x = 1,387,717,069.69
  5. Step 5: Solve for x
    x = 1,387,717,069.69/45,340.17
  6. Step 6: Final answer
    x = 30,606.79

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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.