Home / 30,144.32-41,599.08-16,715.68

Finding the Fourth Proportional to 30,144.32, 41,599.08 and 16,715.68

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Solution

The fourth proportional to 30,144.32, 41,599.08 and 16,715.68 is: 23,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.32 : 41,599.08 = 16,715.68 : x
  2. Step 2: Convert to fraction form
    30,144.32/41,599.08 = 16,715.68/x
  3. Step 3: Cross multiply
    30,144.32x = 41,599.08 × 16,715.68
  4. Step 4: Simplify right side
    30,144.32x = 695,356,909.57
  5. Step 5: Solve for x
    x = 695,356,909.57/30,144.32
  6. Step 6: Final answer
    x = 23,067.59

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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.