Home / 50,929.11-70,280.83-28,268.04

Finding the Fourth Proportional to 50,929.11, 70,280.83 and 28,268.04

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Solution

The fourth proportional to 50,929.11, 70,280.83 and 28,268.04 is: 39,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,929.11 : 70,280.83 = 28,268.04 : x
  2. Step 2: Convert to fraction form
    50,929.11/70,280.83 = 28,268.04/x
  3. Step 3: Cross multiply
    50,929.11x = 70,280.83 × 28,268.04
  4. Step 4: Simplify right side
    50,929.11x = 1,986,701,418.71
  5. Step 5: Solve for x
    x = 1,986,701,418.71/50,929.11
  6. Step 6: Final answer
    x = 39,009.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.