Home / 53,407.80-80,087.40-28,441.44

Finding the Fourth Proportional to 53,407.80, 80,087.40 and 28,441.44

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Solution

The fourth proportional to 53,407.80, 80,087.40 and 28,441.44 is: 42,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,407.80 : 80,087.40 = 28,441.44 : x
  2. Step 2: Convert to fraction form
    53,407.80/80,087.40 = 28,441.44/x
  3. Step 3: Cross multiply
    53,407.80x = 80,087.40 × 28,441.44
  4. Step 4: Simplify right side
    53,407.80x = 2,277,800,981.86
  5. Step 5: Solve for x
    x = 2,277,800,981.86/53,407.80
  6. Step 6: Final answer
    x = 42,649.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.