Home / 30,230.04-45,352.75-17,760.61

Finding the Fourth Proportional to 30,230.04, 45,352.75 and 17,760.61

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Solution

The fourth proportional to 30,230.04, 45,352.75 and 17,760.61 is: 26,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.04 : 45,352.75 = 17,760.61 : x
  2. Step 2: Convert to fraction form
    30,230.04/45,352.75 = 17,760.61/x
  3. Step 3: Cross multiply
    30,230.04x = 45,352.75 × 17,760.61
  4. Step 4: Simplify right side
    30,230.04x = 805,492,505.18
  5. Step 5: Solve for x
    x = 805,492,505.18/30,230.04
  6. Step 6: Final answer
    x = 26,645.43

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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.