Home / 39,947.64-59,913.23-18,878.73

Finding the Fourth Proportional to 39,947.64, 59,913.23 and 18,878.73

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Solution

The fourth proportional to 39,947.64, 59,913.23 and 18,878.73 is: 28,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.64 : 59,913.23 = 18,878.73 : x
  2. Step 2: Convert to fraction form
    39,947.64/59,913.23 = 18,878.73/x
  3. Step 3: Cross multiply
    39,947.64x = 59,913.23 × 18,878.73
  4. Step 4: Simplify right side
    39,947.64x = 1,131,085,598.20
  5. Step 5: Solve for x
    x = 1,131,085,598.20/39,947.64
  6. Step 6: Final answer
    x = 28,314.20

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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.