Home / 29,819.07-41,149.47-16,390.32

Finding the Fourth Proportional to 29,819.07, 41,149.47 and 16,390.32

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Solution

The fourth proportional to 29,819.07, 41,149.47 and 16,390.32 is: 22,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.07 : 41,149.47 = 16,390.32 : x
  2. Step 2: Convert to fraction form
    29,819.07/41,149.47 = 16,390.32/x
  3. Step 3: Cross multiply
    29,819.07x = 41,149.47 × 16,390.32
  4. Step 4: Simplify right side
    29,819.07x = 674,452,981.13
  5. Step 5: Solve for x
    x = 674,452,981.13/29,819.07
  6. Step 6: Final answer
    x = 22,618.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.