Home / 51,151.54-70,589.14-28,494.90

Finding the Fourth Proportional to 51,151.54, 70,589.14 and 28,494.90

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Solution

The fourth proportional to 51,151.54, 70,589.14 and 28,494.90 is: 39,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.54 : 70,589.14 = 28,494.90 : x
  2. Step 2: Convert to fraction form
    51,151.54/70,589.14 = 28,494.90/x
  3. Step 3: Cross multiply
    51,151.54x = 70,589.14 × 28,494.90
  4. Step 4: Simplify right side
    51,151.54x = 2,011,430,485.39
  5. Step 5: Solve for x
    x = 2,011,430,485.39/51,151.54
  6. Step 6: Final answer
    x = 39,322.97

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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.