Home / 42,157.75-63,218.10-22,431.62

Finding the Fourth Proportional to 42,157.75, 63,218.10 and 22,431.62

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Solution

The fourth proportional to 42,157.75, 63,218.10 and 22,431.62 is: 33,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.75 : 63,218.10 = 22,431.62 : x
  2. Step 2: Convert to fraction form
    42,157.75/63,218.10 = 22,431.62/x
  3. Step 3: Cross multiply
    42,157.75x = 63,218.10 × 22,431.62
  4. Step 4: Simplify right side
    42,157.75x = 1,418,084,396.32
  5. Step 5: Solve for x
    x = 1,418,084,396.32/42,157.75
  6. Step 6: Final answer
    x = 33,637.57

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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.