Home / 42,123.15-63,183.51-17,157.03

Finding the Fourth Proportional to 42,123.15, 63,183.51 and 17,157.03

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Solution

The fourth proportional to 42,123.15, 63,183.51 and 17,157.03 is: 25,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,123.15 : 63,183.51 = 17,157.03 : x
  2. Step 2: Convert to fraction form
    42,123.15/63,183.51 = 17,157.03/x
  3. Step 3: Cross multiply
    42,123.15x = 63,183.51 × 17,157.03
  4. Step 4: Simplify right side
    42,123.15x = 1,084,041,376.58
  5. Step 5: Solve for x
    x = 1,084,041,376.58/42,123.15
  6. Step 6: Final answer
    x = 25,735.05

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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.