Home / 29,957.04-41,354.31-21,348.78

Finding the Fourth Proportional to 29,957.04, 41,354.31 and 21,348.78

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Solution

The fourth proportional to 29,957.04, 41,354.31 and 21,348.78 is: 29,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,957.04 : 41,354.31 = 21,348.78 : x
  2. Step 2: Convert to fraction form
    29,957.04/41,354.31 = 21,348.78/x
  3. Step 3: Cross multiply
    29,957.04x = 41,354.31 × 21,348.78
  4. Step 4: Simplify right side
    29,957.04x = 882,864,066.24
  5. Step 5: Solve for x
    x = 882,864,066.24/29,957.04
  6. Step 6: Final answer
    x = 29,471.00

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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.