Home / 42,932.92-64,399.06-13,350.70

Finding the Fourth Proportional to 42,932.92, 64,399.06 and 13,350.70

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Solution

The fourth proportional to 42,932.92, 64,399.06 and 13,350.70 is: 20,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,932.92 : 64,399.06 = 13,350.70 : x
  2. Step 2: Convert to fraction form
    42,932.92/64,399.06 = 13,350.70/x
  3. Step 3: Cross multiply
    42,932.92x = 64,399.06 × 13,350.70
  4. Step 4: Simplify right side
    42,932.92x = 859,772,530.34
  5. Step 5: Solve for x
    x = 859,772,530.34/42,932.92
  6. Step 6: Final answer
    x = 20,025.95

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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.