Home / 49,947.32-74,931.93-18,782.56

Finding the Fourth Proportional to 49,947.32, 74,931.93 and 18,782.56

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Solution

The fourth proportional to 49,947.32, 74,931.93 and 18,782.56 is: 28,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,947.32 : 74,931.93 = 18,782.56 : x
  2. Step 2: Convert to fraction form
    49,947.32/74,931.93 = 18,782.56/x
  3. Step 3: Cross multiply
    49,947.32x = 74,931.93 × 18,782.56
  4. Step 4: Simplify right side
    49,947.32x = 1,407,413,471.14
  5. Step 5: Solve for x
    x = 1,407,413,471.14/49,947.32
  6. Step 6: Final answer
    x = 28,177.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.