Home / 63,330.15-87,384.92-39,464.31

Finding the Fourth Proportional to 63,330.15, 87,384.92 and 39,464.31

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Solution

The fourth proportional to 63,330.15, 87,384.92 and 39,464.31 is: 54,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,330.15 : 87,384.92 = 39,464.31 : x
  2. Step 2: Convert to fraction form
    63,330.15/87,384.92 = 39,464.31/x
  3. Step 3: Cross multiply
    63,330.15x = 87,384.92 × 39,464.31
  4. Step 4: Simplify right side
    63,330.15x = 3,448,585,374.88
  5. Step 5: Solve for x
    x = 3,448,585,374.88/63,330.15
  6. Step 6: Final answer
    x = 54,454.09

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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.