Home / 47,673.16-65,779.38-28,811.32

Finding the Fourth Proportional to 47,673.16, 65,779.38 and 28,811.32

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Solution

The fourth proportional to 47,673.16, 65,779.38 and 28,811.32 is: 39,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.16 : 65,779.38 = 28,811.32 : x
  2. Step 2: Convert to fraction form
    47,673.16/65,779.38 = 28,811.32/x
  3. Step 3: Cross multiply
    47,673.16x = 65,779.38 × 28,811.32
  4. Step 4: Simplify right side
    47,673.16x = 1,895,190,766.58
  5. Step 5: Solve for x
    x = 1,895,190,766.58/47,673.16
  6. Step 6: Final answer
    x = 39,753.83

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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.