Home / 50,740.73-70,020.77-28,080.66

Finding the Fourth Proportional to 50,740.73, 70,020.77 and 28,080.66

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Solution

The fourth proportional to 50,740.73, 70,020.77 and 28,080.66 is: 38,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,740.73 : 70,020.77 = 28,080.66 : x
  2. Step 2: Convert to fraction form
    50,740.73/70,020.77 = 28,080.66/x
  3. Step 3: Cross multiply
    50,740.73x = 70,020.77 × 28,080.66
  4. Step 4: Simplify right side
    50,740.73x = 1,966,229,435.31
  5. Step 5: Solve for x
    x = 1,966,229,435.31/50,740.73
  6. Step 6: Final answer
    x = 38,750.52

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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.