Home / 50,929.80-70,281.78-28,268.73

Finding the Fourth Proportional to 50,929.80, 70,281.78 and 28,268.73

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Solution

The fourth proportional to 50,929.80, 70,281.78 and 28,268.73 is: 39,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,929.80 : 70,281.78 = 28,268.73 : x
  2. Step 2: Convert to fraction form
    50,929.80/70,281.78 = 28,268.73/x
  3. Step 3: Cross multiply
    50,929.80x = 70,281.78 × 28,268.73
  4. Step 4: Simplify right side
    50,929.80x = 1,986,776,556.73
  5. Step 5: Solve for x
    x = 1,986,776,556.73/50,929.80
  6. Step 6: Final answer
    x = 39,010.10

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1.5x scale

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.