Home / 32,644.62-45,032.99-21,320.74

Finding the Fourth Proportional to 32,644.62, 45,032.99 and 21,320.74

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Solution

The fourth proportional to 32,644.62, 45,032.99 and 21,320.74 is: 29,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,644.62 : 45,032.99 = 21,320.74 : x
  2. Step 2: Convert to fraction form
    32,644.62/45,032.99 = 21,320.74/x
  3. Step 3: Cross multiply
    32,644.62x = 45,032.99 × 21,320.74
  4. Step 4: Simplify right side
    32,644.62x = 960,136,671.21
  5. Step 5: Solve for x
    x = 960,136,671.21/32,644.62
  6. Step 6: Final answer
    x = 29,411.79

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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.