Home / 39,427.29-54,410.87-21,523.46

Finding the Fourth Proportional to 39,427.29, 54,410.87 and 21,523.46

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Solution

The fourth proportional to 39,427.29, 54,410.87 and 21,523.46 is: 29,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.29 : 54,410.87 = 21,523.46 : x
  2. Step 2: Convert to fraction form
    39,427.29/54,410.87 = 21,523.46/x
  3. Step 3: Cross multiply
    39,427.29x = 54,410.87 × 21,523.46
  4. Step 4: Simplify right side
    39,427.29x = 1,171,109,965.76
  5. Step 5: Solve for x
    x = 1,171,109,965.76/39,427.29
  6. Step 6: Final answer
    x = 29,703.03

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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.