Home / 39,515.19-54,532.26-21,610.19

Finding the Fourth Proportional to 39,515.19, 54,532.26 and 21,610.19

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Solution

The fourth proportional to 39,515.19, 54,532.26 and 21,610.19 is: 29,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.19 : 54,532.26 = 21,610.19 : x
  2. Step 2: Convert to fraction form
    39,515.19/54,532.26 = 21,610.19/x
  3. Step 3: Cross multiply
    39,515.19x = 54,532.26 × 21,610.19
  4. Step 4: Simplify right side
    39,515.19x = 1,178,452,227.07
  5. Step 5: Solve for x
    x = 1,178,452,227.07/39,515.19
  6. Step 6: Final answer
    x = 29,822.77

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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.