Home / 51,944.09-77,925.85-20,781.77

Finding the Fourth Proportional to 51,944.09, 77,925.85 and 20,781.77

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Solution

The fourth proportional to 51,944.09, 77,925.85 and 20,781.77 is: 31,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,944.09 : 77,925.85 = 20,781.77 : x
  2. Step 2: Convert to fraction form
    51,944.09/77,925.85 = 20,781.77/x
  3. Step 3: Cross multiply
    51,944.09x = 77,925.85 × 20,781.77
  4. Step 4: Simplify right side
    51,944.09x = 1,619,436,650.17
  5. Step 5: Solve for x
    x = 1,619,436,650.17/51,944.09
  6. Step 6: Final answer
    x = 31,176.54

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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.