Home / 42,107.66-63,106.65-17,118.56

Finding the Fourth Proportional to 42,107.66, 63,106.65 and 17,118.56

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Solution

The fourth proportional to 42,107.66, 63,106.65 and 17,118.56 is: 25,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.66 : 63,106.65 = 17,118.56 : x
  2. Step 2: Convert to fraction form
    42,107.66/63,106.65 = 17,118.56/x
  3. Step 3: Cross multiply
    42,107.66x = 63,106.65 × 17,118.56
  4. Step 4: Simplify right side
    42,107.66x = 1,080,294,658.89
  5. Step 5: Solve for x
    x = 1,080,294,658.89/42,107.66
  6. Step 6: Final answer
    x = 25,655.54

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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.