Home / 39,466.28-54,463.26-21,561.08

Finding the Fourth Proportional to 39,466.28, 54,463.26 and 21,561.08

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Solution

The fourth proportional to 39,466.28, 54,463.26 and 21,561.08 is: 29,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,466.28 : 54,463.26 = 21,561.08 : x
  2. Step 2: Convert to fraction form
    39,466.28/54,463.26 = 21,561.08/x
  3. Step 3: Cross multiply
    39,466.28x = 54,463.26 × 21,561.08
  4. Step 4: Simplify right side
    39,466.28x = 1,174,286,705.92
  5. Step 5: Solve for x
    x = 1,174,286,705.92/39,466.28
  6. Step 6: Final answer
    x = 29,754.18

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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.