Home / 39,176.97-54,062.67-21,271.51

Finding the Fourth Proportional to 39,176.97, 54,062.67 and 21,271.51

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Solution

The fourth proportional to 39,176.97, 54,062.67 and 21,271.51 is: 29,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.97 : 54,062.67 = 21,271.51 : x
  2. Step 2: Convert to fraction form
    39,176.97/54,062.67 = 21,271.51/x
  3. Step 3: Cross multiply
    39,176.97x = 54,062.67 × 21,271.51
  4. Step 4: Simplify right side
    39,176.97x = 1,149,994,625.53
  5. Step 5: Solve for x
    x = 1,149,994,625.53/39,176.97
  6. Step 6: Final answer
    x = 29,353.84

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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.