Home / 39,162.03-54,044.56-21,256.99

Finding the Fourth Proportional to 39,162.03, 54,044.56 and 21,256.99

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Solution

The fourth proportional to 39,162.03, 54,044.56 and 21,256.99 is: 29,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.03 : 54,044.56 = 21,256.99 : x
  2. Step 2: Convert to fraction form
    39,162.03/54,044.56 = 21,256.99/x
  3. Step 3: Cross multiply
    39,162.03x = 54,044.56 × 21,256.99
  4. Step 4: Simplify right side
    39,162.03x = 1,148,824,294.97
  5. Step 5: Solve for x
    x = 1,148,824,294.97/39,162.03
  6. Step 6: Final answer
    x = 29,335.16

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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.