Home / 32,691.48-45,099.25-21,357.96

Finding the Fourth Proportional to 32,691.48, 45,099.25 and 21,357.96

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Solution

The fourth proportional to 32,691.48, 45,099.25 and 21,357.96 is: 29,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,691.48 : 45,099.25 = 21,357.96 : x
  2. Step 2: Convert to fraction form
    32,691.48/45,099.25 = 21,357.96/x
  3. Step 3: Cross multiply
    32,691.48x = 45,099.25 × 21,357.96
  4. Step 4: Simplify right side
    32,691.48x = 963,227,977.53
  5. Step 5: Solve for x
    x = 963,227,977.53/32,691.48
  6. Step 6: Final answer
    x = 29,464.19

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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.