Home / 39,182.49-54,071.84-21,277.50

Finding the Fourth Proportional to 39,182.49, 54,071.84 and 21,277.50

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Solution

The fourth proportional to 39,182.49, 54,071.84 and 21,277.50 is: 29,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.49 : 54,071.84 = 21,277.50 : x
  2. Step 2: Convert to fraction form
    39,182.49/54,071.84 = 21,277.50/x
  3. Step 3: Cross multiply
    39,182.49x = 54,071.84 × 21,277.50
  4. Step 4: Simplify right side
    39,182.49x = 1,150,513,469.21
  5. Step 5: Solve for x
    x = 1,150,513,469.21/39,182.49
  6. Step 6: Final answer
    x = 29,362.95

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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.