Home / 39,182.70-54,071.96-21,277.56

Finding the Fourth Proportional to 39,182.70, 54,071.96 and 21,277.56

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Solution

The fourth proportional to 39,182.70, 54,071.96 and 21,277.56 is: 29,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.70 : 54,071.96 = 21,277.56 : x
  2. Step 2: Convert to fraction form
    39,182.70/54,071.96 = 21,277.56/x
  3. Step 3: Cross multiply
    39,182.70x = 54,071.96 × 21,277.56
  4. Step 4: Simplify right side
    39,182.70x = 1,150,519,373.22
  5. Step 5: Solve for x
    x = 1,150,519,373.22/39,182.70
  6. Step 6: Final answer
    x = 29,362.94

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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.