Home / 29,447.11-40,633.34-19,907.76

Finding the Fourth Proportional to 29,447.11, 40,633.34 and 19,907.76

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Solution

The fourth proportional to 29,447.11, 40,633.34 and 19,907.76 is: 27,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.11 : 40,633.34 = 19,907.76 : x
  2. Step 2: Convert to fraction form
    29,447.11/40,633.34 = 19,907.76/x
  3. Step 3: Cross multiply
    29,447.11x = 40,633.34 × 19,907.76
  4. Step 4: Simplify right side
    29,447.11x = 808,918,780.72
  5. Step 5: Solve for x
    x = 808,918,780.72/29,447.11
  6. Step 6: Final answer
    x = 27,470.23

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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.