Home / 50,975.46-70,346.96-28,315.91

Finding the Fourth Proportional to 50,975.46, 70,346.96 and 28,315.91

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Solution

The fourth proportional to 50,975.46, 70,346.96 and 28,315.91 is: 39,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,975.46 : 70,346.96 = 28,315.91 : x
  2. Step 2: Convert to fraction form
    50,975.46/70,346.96 = 28,315.91/x
  3. Step 3: Cross multiply
    50,975.46x = 70,346.96 × 28,315.91
  4. Step 4: Simplify right side
    50,975.46x = 1,991,937,694.82
  5. Step 5: Solve for x
    x = 1,991,937,694.82/50,975.46
  6. Step 6: Final answer
    x = 39,076.40

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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.