Home / 39,472.66-54,475.97-21,570.33

Finding the Fourth Proportional to 39,472.66, 54,475.97 and 21,570.33

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Solution

The fourth proportional to 39,472.66, 54,475.97 and 21,570.33 is: 29,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,472.66 : 54,475.97 = 21,570.33 : x
  2. Step 2: Convert to fraction form
    39,472.66/54,475.97 = 21,570.33/x
  3. Step 3: Cross multiply
    39,472.66x = 54,475.97 × 21,570.33
  4. Step 4: Simplify right side
    39,472.66x = 1,175,064,649.97
  5. Step 5: Solve for x
    x = 1,175,064,649.97/39,472.66
  6. Step 6: Final answer
    x = 29,769.08

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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.