Home / 29,142.14-43,547.30-21,881.96

Finding the Fourth Proportional to 29,142.14, 43,547.30 and 21,881.96

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Solution

The fourth proportional to 29,142.14, 43,547.30 and 21,881.96 is: 32,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.14 : 43,547.30 = 21,881.96 : x
  2. Step 2: Convert to fraction form
    29,142.14/43,547.30 = 21,881.96/x
  3. Step 3: Cross multiply
    29,142.14x = 43,547.30 × 21,881.96
  4. Step 4: Simplify right side
    29,142.14x = 952,900,276.71
  5. Step 5: Solve for x
    x = 952,900,276.71/29,142.14
  6. Step 6: Final answer
    x = 32,698.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.