Home / 51,903.09-71,626.27-28,029.76

Finding the Fourth Proportional to 51,903.09, 71,626.27 and 28,029.76

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Solution

The fourth proportional to 51,903.09, 71,626.27 and 28,029.76 is: 38,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,903.09 : 71,626.27 = 28,029.76 : x
  2. Step 2: Convert to fraction form
    51,903.09/71,626.27 = 28,029.76/x
  3. Step 3: Cross multiply
    51,903.09x = 71,626.27 × 28,029.76
  4. Step 4: Simplify right side
    51,903.09x = 2,007,667,157.80
  5. Step 5: Solve for x
    x = 2,007,667,157.80/51,903.09
  6. Step 6: Final answer
    x = 38,681.07

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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.