Home / 34,731.01-47,928.81-18,815.50

Finding the Fourth Proportional to 34,731.01, 47,928.81 and 18,815.50

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Solution

The fourth proportional to 34,731.01, 47,928.81 and 18,815.50 is: 25,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.01 : 47,928.81 = 18,815.50 : x
  2. Step 2: Convert to fraction form
    34,731.01/47,928.81 = 18,815.50/x
  3. Step 3: Cross multiply
    34,731.01x = 47,928.81 × 18,815.50
  4. Step 4: Simplify right side
    34,731.01x = 901,804,524.56
  5. Step 5: Solve for x
    x = 901,804,524.56/34,731.01
  6. Step 6: Final answer
    x = 25,965.40

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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.