Home / 39,253.07-54,167.69-21,348.06

Finding the Fourth Proportional to 39,253.07, 54,167.69 and 21,348.06

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Solution

The fourth proportional to 39,253.07, 54,167.69 and 21,348.06 is: 29,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253.07 : 54,167.69 = 21,348.06 : x
  2. Step 2: Convert to fraction form
    39,253.07/54,167.69 = 21,348.06/x
  3. Step 3: Cross multiply
    39,253.07x = 54,167.69 × 21,348.06
  4. Step 4: Simplify right side
    39,253.07x = 1,156,374,989.44
  5. Step 5: Solve for x
    x = 1,156,374,989.44/39,253.07
  6. Step 6: Final answer
    x = 29,459.48

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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.