Home / 39,000.31-53,815.79-22,003.56

Finding the Fourth Proportional to 39,000.31, 53,815.79 and 22,003.56

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Solution

The fourth proportional to 39,000.31, 53,815.79 and 22,003.56 is: 30,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.31 : 53,815.79 = 22,003.56 : x
  2. Step 2: Convert to fraction form
    39,000.31/53,815.79 = 22,003.56/x
  3. Step 3: Cross multiply
    39,000.31x = 53,815.79 × 22,003.56
  4. Step 4: Simplify right side
    39,000.31x = 1,184,138,695.13
  5. Step 5: Solve for x
    x = 1,184,138,695.13/39,000.31
  6. Step 6: Final answer
    x = 30,362.29

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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.