Home / 57,352.18-79,137.93-31,856.62

Finding the Fourth Proportional to 57,352.18, 79,137.93 and 31,856.62

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Solution

The fourth proportional to 57,352.18, 79,137.93 and 31,856.62 is: 43,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.18 : 79,137.93 = 31,856.62 : x
  2. Step 2: Convert to fraction form
    57,352.18/79,137.93 = 31,856.62/x
  3. Step 3: Cross multiply
    57,352.18x = 79,137.93 × 31,856.62
  4. Step 4: Simplify right side
    57,352.18x = 2,521,066,963.60
  5. Step 5: Solve for x
    x = 2,521,066,963.60/57,352.18
  6. Step 6: Final answer
    x = 43,957.65

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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.