Home / 30,099.04-45,151.76-9,324.16

Finding the Fourth Proportional to 30,099.04, 45,151.76 and 9,324.16

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Solution

The fourth proportional to 30,099.04, 45,151.76 and 9,324.16 is: 13,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.04 : 45,151.76 = 9,324.16 : x
  2. Step 2: Convert to fraction form
    30,099.04/45,151.76 = 9,324.16/x
  3. Step 3: Cross multiply
    30,099.04x = 45,151.76 × 9,324.16
  4. Step 4: Simplify right side
    30,099.04x = 421,002,234.52
  5. Step 5: Solve for x
    x = 421,002,234.52/30,099.04
  6. Step 6: Final answer
    x = 13,987.23

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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.