Home / 39,166.97-54,051.57-21,263.13

Finding the Fourth Proportional to 39,166.97, 54,051.57 and 21,263.13

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Solution

The fourth proportional to 39,166.97, 54,051.57 and 21,263.13 is: 29,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.97 : 54,051.57 = 21,263.13 : x
  2. Step 2: Convert to fraction form
    39,166.97/54,051.57 = 21,263.13/x
  3. Step 3: Cross multiply
    39,166.97x = 54,051.57 × 21,263.13
  4. Step 4: Simplify right side
    39,166.97x = 1,149,305,559.61
  5. Step 5: Solve for x
    x = 1,149,305,559.61/39,166.97
  6. Step 6: Final answer
    x = 29,343.75

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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.