Home / 48,160.58-72,229.93-20,090.43

Finding the Fourth Proportional to 48,160.58, 72,229.93 and 20,090.43

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Solution

The fourth proportional to 48,160.58, 72,229.93 and 20,090.43 is: 30,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,160.58 : 72,229.93 = 20,090.43 : x
  2. Step 2: Convert to fraction form
    48,160.58/72,229.93 = 20,090.43/x
  3. Step 3: Cross multiply
    48,160.58x = 72,229.93 × 20,090.43
  4. Step 4: Simplify right side
    48,160.58x = 1,451,130,302.34
  5. Step 5: Solve for x
    x = 1,451,130,302.34/48,160.58
  6. Step 6: Final answer
    x = 30,131.08

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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.