Home / 52,709.22-72,740.45-28,835.90

Finding the Fourth Proportional to 52,709.22, 72,740.45 and 28,835.90

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Solution

The fourth proportional to 52,709.22, 72,740.45 and 28,835.90 is: 39,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.22 : 72,740.45 = 28,835.90 : x
  2. Step 2: Convert to fraction form
    52,709.22/72,740.45 = 28,835.90/x
  3. Step 3: Cross multiply
    52,709.22x = 72,740.45 × 28,835.90
  4. Step 4: Simplify right side
    52,709.22x = 2,097,535,834.27
  5. Step 5: Solve for x
    x = 2,097,535,834.27/52,709.22
  6. Step 6: Final answer
    x = 39,794.48

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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.