Home / 38,968.32-53,776.62-22,202.40

Finding the Fourth Proportional to 38,968.32, 53,776.62 and 22,202.40

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Solution

The fourth proportional to 38,968.32, 53,776.62 and 22,202.40 is: 30,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.32 : 53,776.62 = 22,202.40 : x
  2. Step 2: Convert to fraction form
    38,968.32/53,776.62 = 22,202.40/x
  3. Step 3: Cross multiply
    38,968.32x = 53,776.62 × 22,202.40
  4. Step 4: Simplify right side
    38,968.32x = 1,193,970,027.89
  5. Step 5: Solve for x
    x = 1,193,970,027.89/38,968.32
  6. Step 6: Final answer
    x = 30,639.50

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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.