Home / 29,436.41-40,637.30-19,926.57

Finding the Fourth Proportional to 29,436.41, 40,637.30 and 19,926.57

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Solution

The fourth proportional to 29,436.41, 40,637.30 and 19,926.57 is: 27,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.41 : 40,637.30 = 19,926.57 : x
  2. Step 2: Convert to fraction form
    29,436.41/40,637.30 = 19,926.57/x
  3. Step 3: Cross multiply
    29,436.41x = 40,637.30 × 19,926.57
  4. Step 4: Simplify right side
    29,436.41x = 809,762,055.82
  5. Step 5: Solve for x
    x = 809,762,055.82/29,436.41
  6. Step 6: Final answer
    x = 27,508.86

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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.