Home / 38,357.20-52,928.04-21,586.96

Finding the Fourth Proportional to 38,357.20, 52,928.04 and 21,586.96

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Solution

The fourth proportional to 38,357.20, 52,928.04 and 21,586.96 is: 29,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.20 : 52,928.04 = 21,586.96 : x
  2. Step 2: Convert to fraction form
    38,357.20/52,928.04 = 21,586.96/x
  3. Step 3: Cross multiply
    38,357.20x = 52,928.04 × 21,586.96
  4. Step 4: Simplify right side
    38,357.20x = 1,142,555,482.36
  5. Step 5: Solve for x
    x = 1,142,555,482.36/38,357.20
  6. Step 6: Final answer
    x = 29,787.25

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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.