Home / 42,155.75-63,237.24-17,197.53

Finding the Fourth Proportional to 42,155.75, 63,237.24 and 17,197.53

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Solution

The fourth proportional to 42,155.75, 63,237.24 and 17,197.53 is: 25,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,155.75 : 63,237.24 = 17,197.53 : x
  2. Step 2: Convert to fraction form
    42,155.75/63,237.24 = 17,197.53/x
  3. Step 3: Cross multiply
    42,155.75x = 63,237.24 × 17,197.53
  4. Step 4: Simplify right side
    42,155.75x = 1,087,524,332.02
  5. Step 5: Solve for x
    x = 1,087,524,332.02/42,155.75
  6. Step 6: Final answer
    x = 25,797.77

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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.