Home / 50,916.87-70,273.31-30,776.76

Finding the Fourth Proportional to 50,916.87, 70,273.31 and 30,776.76

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Solution

The fourth proportional to 50,916.87, 70,273.31 and 30,776.76 is: 42,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,916.87 : 70,273.31 = 30,776.76 : x
  2. Step 2: Convert to fraction form
    50,916.87/70,273.31 = 30,776.76/x
  3. Step 3: Cross multiply
    50,916.87x = 70,273.31 × 30,776.76
  4. Step 4: Simplify right side
    50,916.87x = 2,162,784,642.39
  5. Step 5: Solve for x
    x = 2,162,784,642.39/50,916.87
  6. Step 6: Final answer
    x = 42,476.78

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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.