Home / 42,793.16-64,206.14-19,414.13

Finding the Fourth Proportional to 42,793.16, 64,206.14 and 19,414.13

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Solution

The fourth proportional to 42,793.16, 64,206.14 and 19,414.13 is: 29,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.16 : 64,206.14 = 19,414.13 : x
  2. Step 2: Convert to fraction form
    42,793.16/64,206.14 = 19,414.13/x
  3. Step 3: Cross multiply
    42,793.16x = 64,206.14 × 19,414.13
  4. Step 4: Simplify right side
    42,793.16x = 1,246,505,930.66
  5. Step 5: Solve for x
    x = 1,246,505,930.66/42,793.16
  6. Step 6: Final answer
    x = 29,128.63

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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.