Home / 35,034.84-48,331.68-20,684.90

Finding the Fourth Proportional to 35,034.84, 48,331.68 and 20,684.90

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Solution

The fourth proportional to 35,034.84, 48,331.68 and 20,684.90 is: 28,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,034.84 : 48,331.68 = 20,684.90 : x
  2. Step 2: Convert to fraction form
    35,034.84/48,331.68 = 20,684.90/x
  3. Step 3: Cross multiply
    35,034.84x = 48,331.68 × 20,684.90
  4. Step 4: Simplify right side
    35,034.84x = 999,735,725.97
  5. Step 5: Solve for x
    x = 999,735,725.97/35,034.84
  6. Step 6: Final answer
    x = 28,535.47

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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.