Home / 39,232.01-54,139.54-21,327.47

Finding the Fourth Proportional to 39,232.01, 54,139.54 and 21,327.47

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Solution

The fourth proportional to 39,232.01, 54,139.54 and 21,327.47 is: 29,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.01 : 54,139.54 = 21,327.47 : x
  2. Step 2: Convert to fraction form
    39,232.01/54,139.54 = 21,327.47/x
  3. Step 3: Cross multiply
    39,232.01x = 54,139.54 × 21,327.47
  4. Step 4: Simplify right side
    39,232.01x = 1,154,659,334.16
  5. Step 5: Solve for x
    x = 1,154,659,334.16/39,232.01
  6. Step 6: Final answer
    x = 29,431.56

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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.