Home / 39,535.95-54,559.58-21,631.02

Finding the Fourth Proportional to 39,535.95, 54,559.58 and 21,631.02

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Solution

The fourth proportional to 39,535.95, 54,559.58 and 21,631.02 is: 29,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,535.95 : 54,559.58 = 21,631.02 : x
  2. Step 2: Convert to fraction form
    39,535.95/54,559.58 = 21,631.02/x
  3. Step 3: Cross multiply
    39,535.95x = 54,559.58 × 21,631.02
  4. Step 4: Simplify right side
    39,535.95x = 1,180,179,513.76
  5. Step 5: Solve for x
    x = 1,180,179,513.76/39,535.95
  6. Step 6: Final answer
    x = 29,850.80

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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.