Home / 30,409.20-45,613.32-25,204.08

Finding the Fourth Proportional to 30,409.20, 45,613.32 and 25,204.08

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Solution

The fourth proportional to 30,409.20, 45,613.32 and 25,204.08 is: 37,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.20 : 45,613.32 = 25,204.08 : x
  2. Step 2: Convert to fraction form
    30,409.20/45,613.32 = 25,204.08/x
  3. Step 3: Cross multiply
    30,409.20x = 45,613.32 × 25,204.08
  4. Step 4: Simplify right side
    30,409.20x = 1,149,641,766.35
  5. Step 5: Solve for x
    x = 1,149,641,766.35/30,409.20
  6. Step 6: Final answer
    x = 37,805.72

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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.