Home / 57,736.47-86,604.63-31,385.82

Finding the Fourth Proportional to 57,736.47, 86,604.63 and 31,385.82

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Solution

The fourth proportional to 57,736.47, 86,604.63 and 31,385.82 is: 47,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,736.47 : 86,604.63 = 31,385.82 : x
  2. Step 2: Convert to fraction form
    57,736.47/86,604.63 = 31,385.82/x
  3. Step 3: Cross multiply
    57,736.47x = 86,604.63 × 31,385.82
  4. Step 4: Simplify right side
    57,736.47x = 2,718,157,328.35
  5. Step 5: Solve for x
    x = 2,718,157,328.35/57,736.47
  6. Step 6: Final answer
    x = 47,078.69

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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.