Home / 51,447.48-77,151.60-18,161.34

Finding the Fourth Proportional to 51,447.48, 77,151.60 and 18,161.34

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Solution

The fourth proportional to 51,447.48, 77,151.60 and 18,161.34 is: 27,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.48 : 77,151.60 = 18,161.34 : x
  2. Step 2: Convert to fraction form
    51,447.48/77,151.60 = 18,161.34/x
  3. Step 3: Cross multiply
    51,447.48x = 77,151.60 × 18,161.34
  4. Step 4: Simplify right side
    51,447.48x = 1,401,176,439.14
  5. Step 5: Solve for x
    x = 1,401,176,439.14/51,447.48
  6. Step 6: Final answer
    x = 27,235.08

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1.5x scale

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.