Home / 52,779.29-72,833.46-28,906.16

Finding the Fourth Proportional to 52,779.29, 72,833.46 and 28,906.16

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Solution

The fourth proportional to 52,779.29, 72,833.46 and 28,906.16 is: 39,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.29 : 72,833.46 = 28,906.16 : x
  2. Step 2: Convert to fraction form
    52,779.29/72,833.46 = 28,906.16/x
  3. Step 3: Cross multiply
    52,779.29x = 72,833.46 × 28,906.16
  4. Step 4: Simplify right side
    52,779.29x = 2,105,335,648.11
  5. Step 5: Solve for x
    x = 2,105,335,648.11/52,779.29
  6. Step 6: Final answer
    x = 39,889.43

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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.