Home / 30,134.91-45,144.05-23,175.39

Finding the Fourth Proportional to 30,134.91, 45,144.05 and 23,175.39

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Solution

The fourth proportional to 30,134.91, 45,144.05 and 23,175.39 is: 34,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.91 : 45,144.05 = 23,175.39 : x
  2. Step 2: Convert to fraction form
    30,134.91/45,144.05 = 23,175.39/x
  3. Step 3: Cross multiply
    30,134.91x = 45,144.05 × 23,175.39
  4. Step 4: Simplify right side
    30,134.91x = 1,046,230,849.05
  5. Step 5: Solve for x
    x = 1,046,230,849.05/30,134.91
  6. Step 6: Final answer
    x = 34,718.23

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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.