Home / 30,287.44-45,418.20-10,560.16

Finding the Fourth Proportional to 30,287.44, 45,418.20 and 10,560.16

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Solution

The fourth proportional to 30,287.44, 45,418.20 and 10,560.16 is: 15,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.44 : 45,418.20 = 10,560.16 : x
  2. Step 2: Convert to fraction form
    30,287.44/45,418.20 = 10,560.16/x
  3. Step 3: Cross multiply
    30,287.44x = 45,418.20 × 10,560.16
  4. Step 4: Simplify right side
    30,287.44x = 479,623,458.91
  5. Step 5: Solve for x
    x = 479,623,458.91/30,287.44
  6. Step 6: Final answer
    x = 15,835.72

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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.