Home / 35,716.84-49,289.69-20,612.64

Finding the Fourth Proportional to 35,716.84, 49,289.69 and 20,612.64

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Solution

The fourth proportional to 35,716.84, 49,289.69 and 20,612.64 is: 28,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,716.84 : 49,289.69 = 20,612.64 : x
  2. Step 2: Convert to fraction form
    35,716.84/49,289.69 = 20,612.64/x
  3. Step 3: Cross multiply
    35,716.84x = 49,289.69 × 20,612.64
  4. Step 4: Simplify right side
    35,716.84x = 1,015,990,635.68
  5. Step 5: Solve for x
    x = 1,015,990,635.68/35,716.84
  6. Step 6: Final answer
    x = 28,445.70

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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.