Home / 50,853.28-76,279.93-19,688.53

Finding the Fourth Proportional to 50,853.28, 76,279.93 and 19,688.53

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Solution

The fourth proportional to 50,853.28, 76,279.93 and 19,688.53 is: 29,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,853.28 : 76,279.93 = 19,688.53 : x
  2. Step 2: Convert to fraction form
    50,853.28/76,279.93 = 19,688.53/x
  3. Step 3: Cross multiply
    50,853.28x = 76,279.93 × 19,688.53
  4. Step 4: Simplify right side
    50,853.28x = 1,501,839,831.68
  5. Step 5: Solve for x
    x = 1,501,839,831.68/50,853.28
  6. Step 6: Final answer
    x = 29,532.80

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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.