Home / 47,716.96-65,838.80-28,853.68

Finding the Fourth Proportional to 47,716.96, 65,838.80 and 28,853.68

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Solution

The fourth proportional to 47,716.96, 65,838.80 and 28,853.68 is: 39,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.96 : 65,838.80 = 28,853.68 : x
  2. Step 2: Convert to fraction form
    47,716.96/65,838.80 = 28,853.68/x
  3. Step 3: Cross multiply
    47,716.96x = 65,838.80 × 28,853.68
  4. Step 4: Simplify right side
    47,716.96x = 1,899,691,666.78
  5. Step 5: Solve for x
    x = 1,899,691,666.78/47,716.96
  6. Step 6: Final answer
    x = 39,811.67

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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.