Home / 42,122.03-63,164.27-15,808.16

Finding the Fourth Proportional to 42,122.03, 63,164.27 and 15,808.16

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Solution

The fourth proportional to 42,122.03, 63,164.27 and 15,808.16 is: 23,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.03 : 63,164.27 = 15,808.16 : x
  2. Step 2: Convert to fraction form
    42,122.03/63,164.27 = 15,808.16/x
  3. Step 3: Cross multiply
    42,122.03x = 63,164.27 × 15,808.16
  4. Step 4: Simplify right side
    42,122.03x = 998,511,083.87
  5. Step 5: Solve for x
    x = 998,511,083.87/42,122.03
  6. Step 6: Final answer
    x = 23,705.20

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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.