Home / 40,230.31-60,294.40-18,042.79

Finding the Fourth Proportional to 40,230.31, 60,294.40 and 18,042.79

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Solution

The fourth proportional to 40,230.31, 60,294.40 and 18,042.79 is: 27,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.31 : 60,294.40 = 18,042.79 : x
  2. Step 2: Convert to fraction form
    40,230.31/60,294.40 = 18,042.79/x
  3. Step 3: Cross multiply
    40,230.31x = 60,294.40 × 18,042.79
  4. Step 4: Simplify right side
    40,230.31x = 1,087,879,107.16
  5. Step 5: Solve for x
    x = 1,087,879,107.16/40,230.31
  6. Step 6: Final answer
    x = 27,041.28

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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.