Home / 51,277.39-70,766.36-28,620.81

Finding the Fourth Proportional to 51,277.39, 70,766.36 and 28,620.81

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Solution

The fourth proportional to 51,277.39, 70,766.36 and 28,620.81 is: 39,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.39 : 70,766.36 = 28,620.81 : x
  2. Step 2: Convert to fraction form
    51,277.39/70,766.36 = 28,620.81/x
  3. Step 3: Cross multiply
    51,277.39x = 70,766.36 × 28,620.81
  4. Step 4: Simplify right side
    51,277.39x = 2,025,390,508.18
  5. Step 5: Solve for x
    x = 2,025,390,508.18/51,277.39
  6. Step 6: Final answer
    x = 39,498.71

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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.