Home / 50,928.90-70,281.19-28,267.83

Finding the Fourth Proportional to 50,928.90, 70,281.19 and 28,267.83

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Solution

The fourth proportional to 50,928.90, 70,281.19 and 28,267.83 is: 39,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.90 : 70,281.19 = 28,267.83 : x
  2. Step 2: Convert to fraction form
    50,928.90/70,281.19 = 28,267.83/x
  3. Step 3: Cross multiply
    50,928.90x = 70,281.19 × 28,267.83
  4. Step 4: Simplify right side
    50,928.90x = 1,986,696,660.45
  5. Step 5: Solve for x
    x = 1,986,696,660.45/50,928.90
  6. Step 6: Final answer
    x = 39,009.22

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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.