Home / 50,755.28-70,109.20-38,964.32

Finding the Fourth Proportional to 50,755.28, 70,109.20 and 38,964.32

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Solution

The fourth proportional to 50,755.28, 70,109.20 and 38,964.32 is: 53,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.28 : 70,109.20 = 38,964.32 : x
  2. Step 2: Convert to fraction form
    50,755.28/70,109.20 = 38,964.32/x
  3. Step 3: Cross multiply
    50,755.28x = 70,109.20 × 38,964.32
  4. Step 4: Simplify right side
    50,755.28x = 2,731,757,303.74
  5. Step 5: Solve for x
    x = 2,731,757,303.74/50,755.28
  6. Step 6: Final answer
    x = 53,822.13

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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.