Home / 34,158.83-51,242.52-18,342.11

Finding the Fourth Proportional to 34,158.83, 51,242.52 and 18,342.11

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Solution

The fourth proportional to 34,158.83, 51,242.52 and 18,342.11 is: 27,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.83 : 51,242.52 = 18,342.11 : x
  2. Step 2: Convert to fraction form
    34,158.83/51,242.52 = 18,342.11/x
  3. Step 3: Cross multiply
    34,158.83x = 51,242.52 × 18,342.11
  4. Step 4: Simplify right side
    34,158.83x = 939,896,135.41
  5. Step 5: Solve for x
    x = 939,896,135.41/34,158.83
  6. Step 6: Final answer
    x = 27,515.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.