Home / 39,227.47-54,134.96-21,323.68

Finding the Fourth Proportional to 39,227.47, 54,134.96 and 21,323.68

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Solution

The fourth proportional to 39,227.47, 54,134.96 and 21,323.68 is: 29,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.47 : 54,134.96 = 21,323.68 : x
  2. Step 2: Convert to fraction form
    39,227.47/54,134.96 = 21,323.68/x
  3. Step 3: Cross multiply
    39,227.47x = 54,134.96 × 21,323.68
  4. Step 4: Simplify right side
    39,227.47x = 1,154,356,563.85
  5. Step 5: Solve for x
    x = 1,154,356,563.85/39,227.47
  6. Step 6: Final answer
    x = 29,427.25

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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.