Home / 38,970.56-53,766.24-22,191.68

Finding the Fourth Proportional to 38,970.56, 53,766.24 and 22,191.68

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Solution

The fourth proportional to 38,970.56, 53,766.24 and 22,191.68 is: 30,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970.56 : 53,766.24 = 22,191.68 : x
  2. Step 2: Convert to fraction form
    38,970.56/53,766.24 = 22,191.68/x
  3. Step 3: Cross multiply
    38,970.56x = 53,766.24 × 22,191.68
  4. Step 4: Simplify right side
    38,970.56x = 1,193,163,192.88
  5. Step 5: Solve for x
    x = 1,193,163,192.88/38,970.56
  6. Step 6: Final answer
    x = 30,617.04

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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.