Home / 35,418.62-48,875.81-20,310.55

Finding the Fourth Proportional to 35,418.62, 48,875.81 and 20,310.55

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Solution

The fourth proportional to 35,418.62, 48,875.81 and 20,310.55 is: 28,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.62 : 48,875.81 = 20,310.55 : x
  2. Step 2: Convert to fraction form
    35,418.62/48,875.81 = 20,310.55/x
  3. Step 3: Cross multiply
    35,418.62x = 48,875.81 × 20,310.55
  4. Step 4: Simplify right side
    35,418.62x = 992,694,359.05
  5. Step 5: Solve for x
    x = 992,694,359.05/35,418.62
  6. Step 6: Final answer
    x = 28,027.47

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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.