Home / 30,030.48-41,454.18-18,104.04

Finding the Fourth Proportional to 30,030.48, 41,454.18 and 18,104.04

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Solution

The fourth proportional to 30,030.48, 41,454.18 and 18,104.04 is: 24,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.48 : 41,454.18 = 18,104.04 : x
  2. Step 2: Convert to fraction form
    30,030.48/41,454.18 = 18,104.04/x
  3. Step 3: Cross multiply
    30,030.48x = 41,454.18 × 18,104.04
  4. Step 4: Simplify right side
    30,030.48x = 750,488,132.89
  5. Step 5: Solve for x
    x = 750,488,132.89/30,030.48
  6. Step 6: Final answer
    x = 24,990.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.