Home / 39,471.41-54,474.25-21,569.08

Finding the Fourth Proportional to 39,471.41, 54,474.25 and 21,569.08

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Solution

The fourth proportional to 39,471.41, 54,474.25 and 21,569.08 is: 29,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.41 : 54,474.25 = 21,569.08 : x
  2. Step 2: Convert to fraction form
    39,471.41/54,474.25 = 21,569.08/x
  3. Step 3: Cross multiply
    39,471.41x = 54,474.25 × 21,569.08
  4. Step 4: Simplify right side
    39,471.41x = 1,174,959,266.08
  5. Step 5: Solve for x
    x = 1,174,959,266.08/39,471.41
  6. Step 6: Final answer
    x = 29,767.35

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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.