Home / 53,790.44-80,671.95-38,142.45

Finding the Fourth Proportional to 53,790.44, 80,671.95 and 38,142.45

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Solution

The fourth proportional to 53,790.44, 80,671.95 and 38,142.45 is: 57,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.44 : 80,671.95 = 38,142.45 : x
  2. Step 2: Convert to fraction form
    53,790.44/80,671.95 = 38,142.45/x
  3. Step 3: Cross multiply
    53,790.44x = 80,671.95 × 38,142.45
  4. Step 4: Simplify right side
    53,790.44x = 3,077,025,819.28
  5. Step 5: Solve for x
    x = 3,077,025,819.28/53,790.44
  6. Step 6: Final answer
    x = 57,203.96

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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.