Home / 63,815.48-88,063.90-39,955.31

Finding the Fourth Proportional to 63,815.48, 88,063.90 and 39,955.31

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Solution

The fourth proportional to 63,815.48, 88,063.90 and 39,955.31 is: 55,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,815.48 : 88,063.90 = 39,955.31 : x
  2. Step 2: Convert to fraction form
    63,815.48/88,063.90 = 39,955.31/x
  3. Step 3: Cross multiply
    63,815.48x = 88,063.90 × 39,955.31
  4. Step 4: Simplify right side
    63,815.48x = 3,518,619,884.10
  5. Step 5: Solve for x
    x = 3,518,619,884.10/63,815.48
  6. Step 6: Final answer
    x = 55,137.41

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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.