Home / 32,886.20-49,232.10-21,805.40

Finding the Fourth Proportional to 32,886.20, 49,232.10 and 21,805.40

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Solution

The fourth proportional to 32,886.20, 49,232.10 and 21,805.40 is: 32,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,886.20 : 49,232.10 = 21,805.40 : x
  2. Step 2: Convert to fraction form
    32,886.20/49,232.10 = 21,805.40/x
  3. Step 3: Cross multiply
    32,886.20x = 49,232.10 × 21,805.40
  4. Step 4: Simplify right side
    32,886.20x = 1,073,525,633.34
  5. Step 5: Solve for x
    x = 1,073,525,633.34/32,886.20
  6. Step 6: Final answer
    x = 32,643.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.