Home / 50,900.13-70,242.62-28,240.62

Finding the Fourth Proportional to 50,900.13, 70,242.62 and 28,240.62

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Solution

The fourth proportional to 50,900.13, 70,242.62 and 28,240.62 is: 38,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,900.13 : 70,242.62 = 28,240.62 : x
  2. Step 2: Convert to fraction form
    50,900.13/70,242.62 = 28,240.62/x
  3. Step 3: Cross multiply
    50,900.13x = 70,242.62 × 28,240.62
  4. Step 4: Simplify right side
    50,900.13x = 1,983,694,998.02
  5. Step 5: Solve for x
    x = 1,983,694,998.02/50,900.13
  6. Step 6: Final answer
    x = 38,972.30

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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.