Home / 63,815.20-95,731.53-21,683.95

Finding the Fourth Proportional to 63,815.20, 95,731.53 and 21,683.95

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Solution

The fourth proportional to 63,815.20, 95,731.53 and 21,683.95 is: 32,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,815.20 : 95,731.53 = 21,683.95 : x
  2. Step 2: Convert to fraction form
    63,815.20/95,731.53 = 21,683.95/x
  3. Step 3: Cross multiply
    63,815.20x = 95,731.53 × 21,683.95
  4. Step 4: Simplify right side
    63,815.20x = 2,075,837,709.94
  5. Step 5: Solve for x
    x = 2,075,837,709.94/63,815.20
  6. Step 6: Final answer
    x = 32,528.89

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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.