Home / 63,749.42-87,977.32-35,454.50

Finding the Fourth Proportional to 63,749.42, 87,977.32 and 35,454.50

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Solution

The fourth proportional to 63,749.42, 87,977.32 and 35,454.50 is: 48,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,749.42 : 87,977.32 = 35,454.50 : x
  2. Step 2: Convert to fraction form
    63,749.42/87,977.32 = 35,454.50/x
  3. Step 3: Cross multiply
    63,749.42x = 87,977.32 × 35,454.50
  4. Step 4: Simplify right side
    63,749.42x = 3,119,191,891.94
  5. Step 5: Solve for x
    x = 3,119,191,891.94/63,749.42
  6. Step 6: Final answer
    x = 48,928.95

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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.