Home / 35,917.32-49,560.86-20,811.30

Finding the Fourth Proportional to 35,917.32, 49,560.86 and 20,811.30

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Solution

The fourth proportional to 35,917.32, 49,560.86 and 20,811.30 is: 28,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.32 : 49,560.86 = 20,811.30 : x
  2. Step 2: Convert to fraction form
    35,917.32/49,560.86 = 20,811.30/x
  3. Step 3: Cross multiply
    35,917.32x = 49,560.86 × 20,811.30
  4. Step 4: Simplify right side
    35,917.32x = 1,031,425,925.72
  5. Step 5: Solve for x
    x = 1,031,425,925.72/35,917.32
  6. Step 6: Final answer
    x = 28,716.67

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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.