Home / 32,817.72-45,272.68-21,482.22

Finding the Fourth Proportional to 32,817.72, 45,272.68 and 21,482.22

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Solution

The fourth proportional to 32,817.72, 45,272.68 and 21,482.22 is: 29,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,817.72 : 45,272.68 = 21,482.22 : x
  2. Step 2: Convert to fraction form
    32,817.72/45,272.68 = 21,482.22/x
  3. Step 3: Cross multiply
    32,817.72x = 45,272.68 × 21,482.22
  4. Step 4: Simplify right side
    32,817.72x = 972,557,671.75
  5. Step 5: Solve for x
    x = 972,557,671.75/32,817.72
  6. Step 6: Final answer
    x = 29,635.14

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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.