Home / 47,511.51-65,555.46-28,388.41

Finding the Fourth Proportional to 47,511.51, 65,555.46 and 28,388.41

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Solution

The fourth proportional to 47,511.51, 65,555.46 and 28,388.41 is: 39,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,511.51 : 65,555.46 = 28,388.41 : x
  2. Step 2: Convert to fraction form
    47,511.51/65,555.46 = 28,388.41/x
  3. Step 3: Cross multiply
    47,511.51x = 65,555.46 × 28,388.41
  4. Step 4: Simplify right side
    47,511.51x = 1,861,015,276.22
  5. Step 5: Solve for x
    x = 1,861,015,276.22/47,511.51
  6. Step 6: Final answer
    x = 39,169.78

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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.