Home / 50,407.71-75,558.81-18,805.06

Finding the Fourth Proportional to 50,407.71, 75,558.81 and 18,805.06

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Solution

The fourth proportional to 50,407.71, 75,558.81 and 18,805.06 is: 28,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,407.71 : 75,558.81 = 18,805.06 : x
  2. Step 2: Convert to fraction form
    50,407.71/75,558.81 = 18,805.06/x
  3. Step 3: Cross multiply
    50,407.71x = 75,558.81 × 18,805.06
  4. Step 4: Simplify right side
    50,407.71x = 1,420,887,955.58
  5. Step 5: Solve for x
    x = 1,420,887,955.58/50,407.71
  6. Step 6: Final answer
    x = 28,187.91

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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.