Home / 30,354.16-45,531.25-16,320.79

Finding the Fourth Proportional to 30,354.16, 45,531.25 and 16,320.79

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Solution

The fourth proportional to 30,354.16, 45,531.25 and 16,320.79 is: 24,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.16 : 45,531.25 = 16,320.79 : x
  2. Step 2: Convert to fraction form
    30,354.16/45,531.25 = 16,320.79/x
  3. Step 3: Cross multiply
    30,354.16x = 45,531.25 × 16,320.79
  4. Step 4: Simplify right side
    30,354.16x = 743,105,985.80
  5. Step 5: Solve for x
    x = 743,105,985.80/30,354.16
  6. Step 6: Final answer
    x = 24,481.19

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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.