Home / 39,839.40-59,764.56-13,537.08

Finding the Fourth Proportional to 39,839.40, 59,764.56 and 13,537.08

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Solution

The fourth proportional to 39,839.40, 59,764.56 and 13,537.08 is: 20,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.40 : 59,764.56 = 13,537.08 : x
  2. Step 2: Convert to fraction form
    39,839.40/59,764.56 = 13,537.08/x
  3. Step 3: Cross multiply
    39,839.40x = 59,764.56 × 13,537.08
  4. Step 4: Simplify right side
    39,839.40x = 809,037,629.88
  5. Step 5: Solve for x
    x = 809,037,629.88/39,839.40
  6. Step 6: Final answer
    x = 20,307.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.