Home / 31,317.54-42,960.75-29,622.72

Finding the Fourth Proportional to 31,317.54, 42,960.75 and 29,622.72

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Solution

The fourth proportional to 31,317.54, 42,960.75 and 29,622.72 is: 40,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.54 : 42,960.75 = 29,622.72 : x
  2. Step 2: Convert to fraction form
    31,317.54/42,960.75 = 29,622.72/x
  3. Step 3: Cross multiply
    31,317.54x = 42,960.75 × 29,622.72
  4. Step 4: Simplify right side
    31,317.54x = 1,272,614,268.24
  5. Step 5: Solve for x
    x = 1,272,614,268.24/31,317.54
  6. Step 6: Final answer
    x = 40,635.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.