Home / 43,032.60-59,352.10-31,135.32

Finding the Fourth Proportional to 43,032.60, 59,352.10 and 31,135.32

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Solution

The fourth proportional to 43,032.60, 59,352.10 and 31,135.32 is: 42,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,032.60 : 59,352.10 = 31,135.32 : x
  2. Step 2: Convert to fraction form
    43,032.60/59,352.10 = 31,135.32/x
  3. Step 3: Cross multiply
    43,032.60x = 59,352.10 × 31,135.32
  4. Step 4: Simplify right side
    43,032.60x = 1,847,946,626.17
  5. Step 5: Solve for x
    x = 1,847,946,626.17/43,032.60
  6. Step 6: Final answer
    x = 42,942.95

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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.