Home / 42,107.21-63,123.65-17,168.12

Finding the Fourth Proportional to 42,107.21, 63,123.65 and 17,168.12

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Solution

The fourth proportional to 42,107.21, 63,123.65 and 17,168.12 is: 25,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.21 : 63,123.65 = 17,168.12 : x
  2. Step 2: Convert to fraction form
    42,107.21/63,123.65 = 17,168.12/x
  3. Step 3: Cross multiply
    42,107.21x = 63,123.65 × 17,168.12
  4. Step 4: Simplify right side
    42,107.21x = 1,083,713,996.58
  5. Step 5: Solve for x
    x = 1,083,713,996.58/42,107.21
  6. Step 6: Final answer
    x = 25,737.02

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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.