Home / 45,380.36-68,070.62-17,678.36

Finding the Fourth Proportional to 45,380.36, 68,070.62 and 17,678.36

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Solution

The fourth proportional to 45,380.36, 68,070.62 and 17,678.36 is: 26,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.36 : 68,070.62 = 17,678.36 : x
  2. Step 2: Convert to fraction form
    45,380.36/68,070.62 = 17,678.36/x
  3. Step 3: Cross multiply
    45,380.36x = 68,070.62 × 17,678.36
  4. Step 4: Simplify right side
    45,380.36x = 1,203,376,925.78
  5. Step 5: Solve for x
    x = 1,203,376,925.78/45,380.36
  6. Step 6: Final answer
    x = 26,517.57

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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.