Home / 51,007.73-70,391.03-28,346.76

Finding the Fourth Proportional to 51,007.73, 70,391.03 and 28,346.76

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Solution

The fourth proportional to 51,007.73, 70,391.03 and 28,346.76 is: 39,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.73 : 70,391.03 = 28,346.76 : x
  2. Step 2: Convert to fraction form
    51,007.73/70,391.03 = 28,346.76/x
  3. Step 3: Cross multiply
    51,007.73x = 70,391.03 × 28,346.76
  4. Step 4: Simplify right side
    51,007.73x = 1,995,357,491.83
  5. Step 5: Solve for x
    x = 1,995,357,491.83/51,007.73
  6. Step 6: Final answer
    x = 39,118.73

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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.