Home / 30,864.78-42,553.62-25,193.70

Finding the Fourth Proportional to 30,864.78, 42,553.62 and 25,193.70

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Solution

The fourth proportional to 30,864.78, 42,553.62 and 25,193.70 is: 34,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.78 : 42,553.62 = 25,193.70 : x
  2. Step 2: Convert to fraction form
    30,864.78/42,553.62 = 25,193.70/x
  3. Step 3: Cross multiply
    30,864.78x = 42,553.62 × 25,193.70
  4. Step 4: Simplify right side
    30,864.78x = 1,072,083,136.19
  5. Step 5: Solve for x
    x = 1,072,083,136.19/30,864.78
  6. Step 6: Final answer
    x = 34,734.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.