Home / 51,150.25-70,589.53-28,489.24

Finding the Fourth Proportional to 51,150.25, 70,589.53 and 28,489.24

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Solution

The fourth proportional to 51,150.25, 70,589.53 and 28,489.24 is: 39,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,150.25 : 70,589.53 = 28,489.24 : x
  2. Step 2: Convert to fraction form
    51,150.25/70,589.53 = 28,489.24/x
  3. Step 3: Cross multiply
    51,150.25x = 70,589.53 × 28,489.24
  4. Step 4: Simplify right side
    51,150.25x = 2,011,041,628.19
  5. Step 5: Solve for x
    x = 2,011,041,628.19/51,150.25
  6. Step 6: Final answer
    x = 39,316.36

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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.