Home / 63,090.18-87,074.46-37,939.68

Finding the Fourth Proportional to 63,090.18, 87,074.46 and 37,939.68

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Solution

The fourth proportional to 63,090.18, 87,074.46 and 37,939.68 is: 52,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,090.18 : 87,074.46 = 37,939.68 : x
  2. Step 2: Convert to fraction form
    63,090.18/87,074.46 = 37,939.68/x
  3. Step 3: Cross multiply
    63,090.18x = 87,074.46 × 37,939.68
  4. Step 4: Simplify right side
    63,090.18x = 3,303,577,148.57
  5. Step 5: Solve for x
    x = 3,303,577,148.57/63,090.18
  6. Step 6: Final answer
    x = 52,362.78

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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.