Home / 50,559.50-75,838.98-13,119.55

Finding the Fourth Proportional to 50,559.50, 75,838.98 and 13,119.55

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Solution

The fourth proportional to 50,559.50, 75,838.98 and 13,119.55 is: 19,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,559.50 : 75,838.98 = 13,119.55 : x
  2. Step 2: Convert to fraction form
    50,559.50/75,838.98 = 13,119.55/x
  3. Step 3: Cross multiply
    50,559.50x = 75,838.98 × 13,119.55
  4. Step 4: Simplify right side
    50,559.50x = 994,973,290.06
  5. Step 5: Solve for x
    x = 994,973,290.06/50,559.50
  6. Step 6: Final answer
    x = 19,679.25

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Double scale
Find fourth proportional to 50,560.50, 75,840.48 and 13,120.55
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.