Home / 29,931.80-44,849.10-18,818.60

Finding the Fourth Proportional to 29,931.80, 44,849.10 and 18,818.60

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Solution

The fourth proportional to 29,931.80, 44,849.10 and 18,818.60 is: 28,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.80 : 44,849.10 = 18,818.60 : x
  2. Step 2: Convert to fraction form
    29,931.80/44,849.10 = 18,818.60/x
  3. Step 3: Cross multiply
    29,931.80x = 44,849.10 × 18,818.60
  4. Step 4: Simplify right side
    29,931.80x = 843,997,273.26
  5. Step 5: Solve for x
    x = 843,997,273.26/29,931.80
  6. Step 6: Final answer
    x = 28,197.34

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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.