Home / 50,966.30-70,319.67-28,609.82

Finding the Fourth Proportional to 50,966.30, 70,319.67 and 28,609.82

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Solution

The fourth proportional to 50,966.30, 70,319.67 and 28,609.82 is: 39,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,966.30 : 70,319.67 = 28,609.82 : x
  2. Step 2: Convert to fraction form
    50,966.30/70,319.67 = 28,609.82/x
  3. Step 3: Cross multiply
    50,966.30x = 70,319.67 × 28,609.82
  4. Step 4: Simplify right side
    50,966.30x = 2,011,833,101.16
  5. Step 5: Solve for x
    x = 2,011,833,101.16/50,966.30
  6. Step 6: Final answer
    x = 39,473.79

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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.