Home / 35,435.97-48,901.64-19,520.76

Finding the Fourth Proportional to 35,435.97, 48,901.64 and 19,520.76

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Solution

The fourth proportional to 35,435.97, 48,901.64 and 19,520.76 is: 26,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,435.97 : 48,901.64 = 19,520.76 : x
  2. Step 2: Convert to fraction form
    35,435.97/48,901.64 = 19,520.76/x
  3. Step 3: Cross multiply
    35,435.97x = 48,901.64 × 19,520.76
  4. Step 4: Simplify right side
    35,435.97x = 954,597,178.05
  5. Step 5: Solve for x
    x = 954,597,178.05/35,435.97
  6. Step 6: Final answer
    x = 26,938.65

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Half scale
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Double scale
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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.