Home / 42,107.07-63,105.75-17,117.93

Finding the Fourth Proportional to 42,107.07, 63,105.75 and 17,117.93

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Solution

The fourth proportional to 42,107.07, 63,105.75 and 17,117.93 is: 25,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.07 : 63,105.75 = 17,117.93 : x
  2. Step 2: Convert to fraction form
    42,107.07/63,105.75 = 17,117.93/x
  3. Step 3: Cross multiply
    42,107.07x = 63,105.75 × 17,117.93
  4. Step 4: Simplify right side
    42,107.07x = 1,080,239,811.10
  5. Step 5: Solve for x
    x = 1,080,239,811.10/42,107.07
  6. Step 6: Final answer
    x = 25,654.59

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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.