Home / 32,787.34-45,262.88-21,474.18

Finding the Fourth Proportional to 32,787.34, 45,262.88 and 21,474.18

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Solution

The fourth proportional to 32,787.34, 45,262.88 and 21,474.18 is: 29,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.34 : 45,262.88 = 21,474.18 : x
  2. Step 2: Convert to fraction form
    32,787.34/45,262.88 = 21,474.18/x
  3. Step 3: Cross multiply
    32,787.34x = 45,262.88 × 21,474.18
  4. Step 4: Simplify right side
    32,787.34x = 971,983,232.44
  5. Step 5: Solve for x
    x = 971,983,232.44/32,787.34
  6. Step 6: Final answer
    x = 29,645.08

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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.