Home / 50,996.80-70,374.63-28,335.61

Finding the Fourth Proportional to 50,996.80, 70,374.63 and 28,335.61

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Solution

The fourth proportional to 50,996.80, 70,374.63 and 28,335.61 is: 39,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,996.80 : 70,374.63 = 28,335.61 : x
  2. Step 2: Convert to fraction form
    50,996.80/70,374.63 = 28,335.61/x
  3. Step 3: Cross multiply
    50,996.80x = 70,374.63 × 28,335.61
  4. Step 4: Simplify right side
    50,996.80x = 1,994,108,069.57
  5. Step 5: Solve for x
    x = 1,994,108,069.57/50,996.80
  6. Step 6: Final answer
    x = 39,102.61

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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.