Home / 29,315.66-43,948.71-19,929.31

Finding the Fourth Proportional to 29,315.66, 43,948.71 and 19,929.31

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Solution

The fourth proportional to 29,315.66, 43,948.71 and 19,929.31 is: 29,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.66 : 43,948.71 = 19,929.31 : x
  2. Step 2: Convert to fraction form
    29,315.66/43,948.71 = 19,929.31/x
  3. Step 3: Cross multiply
    29,315.66x = 43,948.71 × 19,929.31
  4. Step 4: Simplify right side
    29,315.66x = 875,867,355.82
  5. Step 5: Solve for x
    x = 875,867,355.82/29,315.66
  6. Step 6: Final answer
    x = 29,877.12

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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.