Home / 42,628.28-63,960.84-22,883.76

Finding the Fourth Proportional to 42,628.28, 63,960.84 and 22,883.76

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Solution

The fourth proportional to 42,628.28, 63,960.84 and 22,883.76 is: 34,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.28 : 63,960.84 = 22,883.76 : x
  2. Step 2: Convert to fraction form
    42,628.28/63,960.84 = 22,883.76/x
  3. Step 3: Cross multiply
    42,628.28x = 63,960.84 × 22,883.76
  4. Step 4: Simplify right side
    42,628.28x = 1,463,664,511.96
  5. Step 5: Solve for x
    x = 1,463,664,511.96/42,628.28
  6. Step 6: Final answer
    x = 34,335.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.