Home / 50,389.68-75,531.80-18,785.99

Finding the Fourth Proportional to 50,389.68, 75,531.80 and 18,785.99

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Solution

The fourth proportional to 50,389.68, 75,531.80 and 18,785.99 is: 28,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,389.68 : 75,531.80 = 18,785.99 : x
  2. Step 2: Convert to fraction form
    50,389.68/75,531.80 = 18,785.99/x
  3. Step 3: Cross multiply
    50,389.68x = 75,531.80 × 18,785.99
  4. Step 4: Simplify right side
    50,389.68x = 1,418,939,583.04
  5. Step 5: Solve for x
    x = 1,418,939,583.04/50,389.68
  6. Step 6: Final answer
    x = 28,159.33

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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.