Home / 30,144.20-45,244.20-15,364.13

Finding the Fourth Proportional to 30,144.20, 45,244.20 and 15,364.13

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Solution

The fourth proportional to 30,144.20, 45,244.20 and 15,364.13 is: 23,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.20 : 45,244.20 = 15,364.13 : x
  2. Step 2: Convert to fraction form
    30,144.20/45,244.20 = 15,364.13/x
  3. Step 3: Cross multiply
    30,144.20x = 45,244.20 × 15,364.13
  4. Step 4: Simplify right side
    30,144.20x = 695,137,544.33
  5. Step 5: Solve for x
    x = 695,137,544.33/30,144.20
  6. Step 6: Final answer
    x = 23,060.41

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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.