Home / 34,690.59-47,872.83-18,775.02

Finding the Fourth Proportional to 34,690.59, 47,872.83 and 18,775.02

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Solution

The fourth proportional to 34,690.59, 47,872.83 and 18,775.02 is: 25,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.59 : 47,872.83 = 18,775.02 : x
  2. Step 2: Convert to fraction form
    34,690.59/47,872.83 = 18,775.02/x
  3. Step 3: Cross multiply
    34,690.59x = 47,872.83 × 18,775.02
  4. Step 4: Simplify right side
    34,690.59x = 898,813,340.71
  5. Step 5: Solve for x
    x = 898,813,340.71/34,690.59
  6. Step 6: Final answer
    x = 25,909.43

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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.