Home / 35,708.86-49,277.73-20,601.55

Finding the Fourth Proportional to 35,708.86, 49,277.73 and 20,601.55

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Solution

The fourth proportional to 35,708.86, 49,277.73 and 20,601.55 is: 28,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,708.86 : 49,277.73 = 20,601.55 : x
  2. Step 2: Convert to fraction form
    35,708.86/49,277.73 = 20,601.55/x
  3. Step 3: Cross multiply
    35,708.86x = 49,277.73 × 20,601.55
  4. Step 4: Simplify right side
    35,708.86x = 1,015,197,618.48
  5. Step 5: Solve for x
    x = 1,015,197,618.48/35,708.86
  6. Step 6: Final answer
    x = 28,429.85

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1.5x scale

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.