Home / 39,534.71-54,557.83-21,629.67

Finding the Fourth Proportional to 39,534.71, 54,557.83 and 21,629.67

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Solution

The fourth proportional to 39,534.71, 54,557.83 and 21,629.67 is: 29,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,534.71 : 54,557.83 = 21,629.67 : x
  2. Step 2: Convert to fraction form
    39,534.71/54,557.83 = 21,629.67/x
  3. Step 3: Cross multiply
    39,534.71x = 54,557.83 × 21,629.67
  4. Step 4: Simplify right side
    39,534.71x = 1,180,067,850.59
  5. Step 5: Solve for x
    x = 1,180,067,850.59/39,534.71
  6. Step 6: Final answer
    x = 29,848.91

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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.