Home / 30,247.80-41,741.01-16,819.32

Finding the Fourth Proportional to 30,247.80, 41,741.01 and 16,819.32

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Solution

The fourth proportional to 30,247.80, 41,741.01 and 16,819.32 is: 23,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.80 : 41,741.01 = 16,819.32 : x
  2. Step 2: Convert to fraction form
    30,247.80/41,741.01 = 16,819.32/x
  3. Step 3: Cross multiply
    30,247.80x = 41,741.01 × 16,819.32
  4. Step 4: Simplify right side
    30,247.80x = 702,055,404.31
  5. Step 5: Solve for x
    x = 702,055,404.31/30,247.80
  6. Step 6: Final answer
    x = 23,210.13

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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.