Home / 35,332.49-48,755.98-20,221.70

Finding the Fourth Proportional to 35,332.49, 48,755.98 and 20,221.70

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Solution

The fourth proportional to 35,332.49, 48,755.98 and 20,221.70 is: 27,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,332.49 : 48,755.98 = 20,221.70 : x
  2. Step 2: Convert to fraction form
    35,332.49/48,755.98 = 20,221.70/x
  3. Step 3: Cross multiply
    35,332.49x = 48,755.98 × 20,221.70
  4. Step 4: Simplify right side
    35,332.49x = 985,928,872.10
  5. Step 5: Solve for x
    x = 985,928,872.10/35,332.49
  6. Step 6: Final answer
    x = 27,904.31

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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.