Home / 32,651.25-45,045.75-21,317.10

Finding the Fourth Proportional to 32,651.25, 45,045.75 and 21,317.10

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Solution

The fourth proportional to 32,651.25, 45,045.75 and 21,317.10 is: 29,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.25 : 45,045.75 = 21,317.10 : x
  2. Step 2: Convert to fraction form
    32,651.25/45,045.75 = 21,317.10/x
  3. Step 3: Cross multiply
    32,651.25x = 45,045.75 × 21,317.10
  4. Step 4: Simplify right side
    32,651.25x = 960,244,757.33
  5. Step 5: Solve for x
    x = 960,244,757.33/32,651.25
  6. Step 6: Final answer
    x = 29,409.13

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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.