Home / 39,348.88-54,301.20-21,444.16

Finding the Fourth Proportional to 39,348.88, 54,301.20 and 21,444.16

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Solution

The fourth proportional to 39,348.88, 54,301.20 and 21,444.16 is: 29,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.88 : 54,301.20 = 21,444.16 : x
  2. Step 2: Convert to fraction form
    39,348.88/54,301.20 = 21,444.16/x
  3. Step 3: Cross multiply
    39,348.88x = 54,301.20 × 21,444.16
  4. Step 4: Simplify right side
    39,348.88x = 1,164,443,620.99
  5. Step 5: Solve for x
    x = 1,164,443,620.99/39,348.88
  6. Step 6: Final answer
    x = 29,592.80

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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.