Home / 40,107.90-60,122.13-19,010.64

Finding the Fourth Proportional to 40,107.90, 60,122.13 and 19,010.64

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Solution

The fourth proportional to 40,107.90, 60,122.13 and 19,010.64 is: 28,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.90 : 60,122.13 = 19,010.64 : x
  2. Step 2: Convert to fraction form
    40,107.90/60,122.13 = 19,010.64/x
  3. Step 3: Cross multiply
    40,107.90x = 60,122.13 × 19,010.64
  4. Step 4: Simplify right side
    40,107.90x = 1,142,960,169.46
  5. Step 5: Solve for x
    x = 1,142,960,169.46/40,107.90
  6. Step 6: Final answer
    x = 28,497.13

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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.