Home / 42,173.36-63,264.36-18,797.84

Finding the Fourth Proportional to 42,173.36, 63,264.36 and 18,797.84

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Solution

The fourth proportional to 42,173.36, 63,264.36 and 18,797.84 is: 28,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.36 : 63,264.36 = 18,797.84 : x
  2. Step 2: Convert to fraction form
    42,173.36/63,264.36 = 18,797.84/x
  3. Step 3: Cross multiply
    42,173.36x = 63,264.36 × 18,797.84
  4. Step 4: Simplify right side
    42,173.36x = 1,189,233,316.98
  5. Step 5: Solve for x
    x = 1,189,233,316.98/42,173.36
  6. Step 6: Final answer
    x = 28,198.69

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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.