Home / 50,774.62-70,066.01-28,112.35

Finding the Fourth Proportional to 50,774.62, 70,066.01 and 28,112.35

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Solution

The fourth proportional to 50,774.62, 70,066.01 and 28,112.35 is: 38,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,774.62 : 70,066.01 = 28,112.35 : x
  2. Step 2: Convert to fraction form
    50,774.62/70,066.01 = 28,112.35/x
  3. Step 3: Cross multiply
    50,774.62x = 70,066.01 × 28,112.35
  4. Step 4: Simplify right side
    50,774.62x = 1,969,720,074.92
  5. Step 5: Solve for x
    x = 1,969,720,074.92/50,774.62
  6. Step 6: Final answer
    x = 38,793.40

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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.