Home / 29,019.53-40,032.19-18,953.87

Finding the Fourth Proportional to 29,019.53, 40,032.19 and 18,953.87

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Solution

The fourth proportional to 29,019.53, 40,032.19 and 18,953.87 is: 26,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.53 : 40,032.19 = 18,953.87 : x
  2. Step 2: Convert to fraction form
    29,019.53/40,032.19 = 18,953.87/x
  3. Step 3: Cross multiply
    29,019.53x = 40,032.19 × 18,953.87
  4. Step 4: Simplify right side
    29,019.53x = 758,764,748.61
  5. Step 5: Solve for x
    x = 758,764,748.61/29,019.53
  6. Step 6: Final answer
    x = 26,146.69

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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.