Home / 39,322.80-58,992.39-13,029.60

Finding the Fourth Proportional to 39,322.80, 58,992.39 and 13,029.60

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Solution

The fourth proportional to 39,322.80, 58,992.39 and 13,029.60 is: 19,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.80 : 58,992.39 = 13,029.60 : x
  2. Step 2: Convert to fraction form
    39,322.80/58,992.39 = 13,029.60/x
  3. Step 3: Cross multiply
    39,322.80x = 58,992.39 × 13,029.60
  4. Step 4: Simplify right side
    39,322.80x = 768,647,244.74
  5. Step 5: Solve for x
    x = 768,647,244.74/39,322.80
  6. Step 6: Final answer
    x = 19,547.11

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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.