Home / 52,739.24-72,779.88-28,540.18

Finding the Fourth Proportional to 52,739.24, 72,779.88 and 28,540.18

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Solution

The fourth proportional to 52,739.24, 72,779.88 and 28,540.18 is: 39,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739.24 : 72,779.88 = 28,540.18 : x
  2. Step 2: Convert to fraction form
    52,739.24/72,779.88 = 28,540.18/x
  3. Step 3: Cross multiply
    52,739.24x = 72,779.88 × 28,540.18
  4. Step 4: Simplify right side
    52,739.24x = 2,077,150,732.88
  5. Step 5: Solve for x
    x = 2,077,150,732.88/52,739.24
  6. Step 6: Final answer
    x = 39,385.30

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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.