Home / 39,535.58-54,559.23-21,630.53

Finding the Fourth Proportional to 39,535.58, 54,559.23 and 21,630.53

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Solution

The fourth proportional to 39,535.58, 54,559.23 and 21,630.53 is: 29,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,535.58 : 54,559.23 = 21,630.53 : x
  2. Step 2: Convert to fraction form
    39,535.58/54,559.23 = 21,630.53/x
  3. Step 3: Cross multiply
    39,535.58x = 54,559.23 × 21,630.53
  4. Step 4: Simplify right side
    39,535.58x = 1,180,145,061.29
  5. Step 5: Solve for x
    x = 1,180,145,061.29/39,535.58
  6. Step 6: Final answer
    x = 29,850.20

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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.