Home / 38,924.55-53,721.09-21,932.10

Finding the Fourth Proportional to 38,924.55, 53,721.09 and 21,932.10

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Solution

The fourth proportional to 38,924.55, 53,721.09 and 21,932.10 is: 30,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,924.55 : 53,721.09 = 21,932.10 : x
  2. Step 2: Convert to fraction form
    38,924.55/53,721.09 = 21,932.10/x
  3. Step 3: Cross multiply
    38,924.55x = 53,721.09 × 21,932.10
  4. Step 4: Simplify right side
    38,924.55x = 1,178,216,317.99
  5. Step 5: Solve for x
    x = 1,178,216,317.99/38,924.55
  6. Step 6: Final answer
    x = 30,269.23

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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.