Home / 29,068.74-40,120.41-18,872.53

Finding the Fourth Proportional to 29,068.74, 40,120.41 and 18,872.53

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Solution

The fourth proportional to 29,068.74, 40,120.41 and 18,872.53 is: 26,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068.74 : 40,120.41 = 18,872.53 : x
  2. Step 2: Convert to fraction form
    29,068.74/40,120.41 = 18,872.53/x
  3. Step 3: Cross multiply
    29,068.74x = 40,120.41 × 18,872.53
  4. Step 4: Simplify right side
    29,068.74x = 757,173,641.34
  5. Step 5: Solve for x
    x = 757,173,641.34/29,068.74
  6. Step 6: Final answer
    x = 26,047.69

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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.