Home / 30,432.08-45,619.68-15,608.18

Finding the Fourth Proportional to 30,432.08, 45,619.68 and 15,608.18

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Solution

The fourth proportional to 30,432.08, 45,619.68 and 15,608.18 is: 23,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.08 : 45,619.68 = 15,608.18 : x
  2. Step 2: Convert to fraction form
    30,432.08/45,619.68 = 15,608.18/x
  3. Step 3: Cross multiply
    30,432.08x = 45,619.68 × 15,608.18
  4. Step 4: Simplify right side
    30,432.08x = 712,040,176.98
  5. Step 5: Solve for x
    x = 712,040,176.98/30,432.08
  6. Step 6: Final answer
    x = 23,397.68

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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.