Home / 38,665.67-53,356.09-22,747.06

Finding the Fourth Proportional to 38,665.67, 53,356.09 and 22,747.06

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Solution

The fourth proportional to 38,665.67, 53,356.09 and 22,747.06 is: 31,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.67 : 53,356.09 = 22,747.06 : x
  2. Step 2: Convert to fraction form
    38,665.67/53,356.09 = 22,747.06/x
  3. Step 3: Cross multiply
    38,665.67x = 53,356.09 × 22,747.06
  4. Step 4: Simplify right side
    38,665.67x = 1,213,693,800.08
  5. Step 5: Solve for x
    x = 1,213,693,800.08/38,665.67
  6. Step 6: Final answer
    x = 31,389.44

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1.5x scale

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.