Home / 42,173.94-63,278.40-18,469.24

Finding the Fourth Proportional to 42,173.94, 63,278.40 and 18,469.24

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Solution

The fourth proportional to 42,173.94, 63,278.40 and 18,469.24 is: 27,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.94 : 63,278.40 = 18,469.24 : x
  2. Step 2: Convert to fraction form
    42,173.94/63,278.40 = 18,469.24/x
  3. Step 3: Cross multiply
    42,173.94x = 63,278.40 × 18,469.24
  4. Step 4: Simplify right side
    42,173.94x = 1,168,703,867.48
  5. Step 5: Solve for x
    x = 1,168,703,867.48/42,173.94
  6. Step 6: Final answer
    x = 27,711.51

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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.