Home / 52,779.46-72,835.66-28,906.19

Finding the Fourth Proportional to 52,779.46, 72,835.66 and 28,906.19

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Solution

The fourth proportional to 52,779.46, 72,835.66 and 28,906.19 is: 39,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.46 : 72,835.66 = 28,906.19 : x
  2. Step 2: Convert to fraction form
    52,779.46/72,835.66 = 28,906.19/x
  3. Step 3: Cross multiply
    52,779.46x = 72,835.66 × 28,906.19
  4. Step 4: Simplify right side
    52,779.46x = 2,105,401,426.74
  5. Step 5: Solve for x
    x = 2,105,401,426.74/52,779.46
  6. Step 6: Final answer
    x = 39,890.55

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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.