Home / 39,837.64-54,977.93-21,932.46

Finding the Fourth Proportional to 39,837.64, 54,977.93 and 21,932.46

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Solution

The fourth proportional to 39,837.64, 54,977.93 and 21,932.46 is: 30,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.64 : 54,977.93 = 21,932.46 : x
  2. Step 2: Convert to fraction form
    39,837.64/54,977.93 = 21,932.46/x
  3. Step 3: Cross multiply
    39,837.64x = 54,977.93 × 21,932.46
  4. Step 4: Simplify right side
    39,837.64x = 1,205,801,250.61
  5. Step 5: Solve for x
    x = 1,205,801,250.61/39,837.64
  6. Step 6: Final answer
    x = 30,267.89

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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.