Home / 40,201.60-55,521.60-31,354.24

Finding the Fourth Proportional to 40,201.60, 55,521.60 and 31,354.24

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Solution

The fourth proportional to 40,201.60, 55,521.60 and 31,354.24 is: 43,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.60 : 55,521.60 = 31,354.24 : x
  2. Step 2: Convert to fraction form
    40,201.60/55,521.60 = 31,354.24/x
  3. Step 3: Cross multiply
    40,201.60x = 55,521.60 × 31,354.24
  4. Step 4: Simplify right side
    40,201.60x = 1,740,837,571.58
  5. Step 5: Solve for x
    x = 1,740,837,571.58/40,201.60
  6. Step 6: Final answer
    x = 43,302.69

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1.5x scale

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.