Home / 31,740.21-43,801.93-17,401.39

Finding the Fourth Proportional to 31,740.21, 43,801.93 and 17,401.39

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Solution

The fourth proportional to 31,740.21, 43,801.93 and 17,401.39 is: 24,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.21 : 43,801.93 = 17,401.39 : x
  2. Step 2: Convert to fraction form
    31,740.21/43,801.93 = 17,401.39/x
  3. Step 3: Cross multiply
    31,740.21x = 43,801.93 × 17,401.39
  4. Step 4: Simplify right side
    31,740.21x = 762,214,357.18
  5. Step 5: Solve for x
    x = 762,214,357.18/31,740.21
  6. Step 6: Final answer
    x = 24,014.16

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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.