Home / 50,835.39-70,149.40-28,172.26

Finding the Fourth Proportional to 50,835.39, 70,149.40 and 28,172.26

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Solution

The fourth proportional to 50,835.39, 70,149.40 and 28,172.26 is: 38,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,835.39 : 70,149.40 = 28,172.26 : x
  2. Step 2: Convert to fraction form
    50,835.39/70,149.40 = 28,172.26/x
  3. Step 3: Cross multiply
    50,835.39x = 70,149.40 × 28,172.26
  4. Step 4: Simplify right side
    50,835.39x = 1,976,267,135.64
  5. Step 5: Solve for x
    x = 1,976,267,135.64/50,835.39
  6. Step 6: Final answer
    x = 38,875.81

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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.