Home / 52,310.62-72,190.07-28,438.93

Finding the Fourth Proportional to 52,310.62, 72,190.07 and 28,438.93

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Solution

The fourth proportional to 52,310.62, 72,190.07 and 28,438.93 is: 39,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.62 : 72,190.07 = 28,438.93 : x
  2. Step 2: Convert to fraction form
    52,310.62/72,190.07 = 28,438.93/x
  3. Step 3: Cross multiply
    52,310.62x = 72,190.07 × 28,438.93
  4. Step 4: Simplify right side
    52,310.62x = 2,053,008,347.43
  5. Step 5: Solve for x
    x = 2,053,008,347.43/52,310.62
  6. Step 6: Final answer
    x = 39,246.49

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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.