Home / 51,984.71-71,739.08-28,111.56

Finding the Fourth Proportional to 51,984.71, 71,739.08 and 28,111.56

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Solution

The fourth proportional to 51,984.71, 71,739.08 and 28,111.56 is: 38,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.71 : 71,739.08 = 28,111.56 : x
  2. Step 2: Convert to fraction form
    51,984.71/71,739.08 = 28,111.56/x
  3. Step 3: Cross multiply
    51,984.71x = 71,739.08 × 28,111.56
  4. Step 4: Simplify right side
    51,984.71x = 2,016,697,311.21
  5. Step 5: Solve for x
    x = 2,016,697,311.21/51,984.71
  6. Step 6: Final answer
    x = 38,794.05

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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.