Home / 29,642.12-40,907.22-16,212.56

Finding the Fourth Proportional to 29,642.12, 40,907.22 and 16,212.56

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Solution

The fourth proportional to 29,642.12, 40,907.22 and 16,212.56 is: 22,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.12 : 40,907.22 = 16,212.56 : x
  2. Step 2: Convert to fraction form
    29,642.12/40,907.22 = 16,212.56/x
  3. Step 3: Cross multiply
    29,642.12x = 40,907.22 × 16,212.56
  4. Step 4: Simplify right side
    29,642.12x = 663,210,758.68
  5. Step 5: Solve for x
    x = 663,210,758.68/29,642.12
  6. Step 6: Final answer
    x = 22,373.93

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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.