Home / 39,832.39-54,970.68-21,927.21

Finding the Fourth Proportional to 39,832.39, 54,970.68 and 21,927.21

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Solution

The fourth proportional to 39,832.39, 54,970.68 and 21,927.21 is: 30,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.39 : 54,970.68 = 21,927.21 : x
  2. Step 2: Convert to fraction form
    39,832.39/54,970.68 = 21,927.21/x
  3. Step 3: Cross multiply
    39,832.39x = 54,970.68 × 21,927.21
  4. Step 4: Simplify right side
    39,832.39x = 1,205,353,644.20
  5. Step 5: Solve for x
    x = 1,205,353,644.20/39,832.39
  6. Step 6: Final answer
    x = 30,260.64

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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.