Home / 39,839.39-59,759.08-13,178.22

Finding the Fourth Proportional to 39,839.39, 59,759.08 and 13,178.22

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Solution

The fourth proportional to 39,839.39, 59,759.08 and 13,178.22 is: 19,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.39 : 59,759.08 = 13,178.22 : x
  2. Step 2: Convert to fraction form
    39,839.39/59,759.08 = 13,178.22/x
  3. Step 3: Cross multiply
    39,839.39x = 59,759.08 × 13,178.22
  4. Step 4: Simplify right side
    39,839.39x = 787,518,303.24
  5. Step 5: Solve for x
    x = 787,518,303.24/39,839.39
  6. Step 6: Final answer
    x = 19,767.33

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Similar ratio
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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.