Home / 40,398.21-55,741.10-23,401.44

Finding the Fourth Proportional to 40,398.21, 55,741.10 and 23,401.44

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Solution

The fourth proportional to 40,398.21, 55,741.10 and 23,401.44 is: 32,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.21 : 55,741.10 = 23,401.44 : x
  2. Step 2: Convert to fraction form
    40,398.21/55,741.10 = 23,401.44/x
  3. Step 3: Cross multiply
    40,398.21x = 55,741.10 × 23,401.44
  4. Step 4: Simplify right side
    40,398.21x = 1,304,421,890.18
  5. Step 5: Solve for x
    x = 1,304,421,890.18/40,398.21
  6. Step 6: Final answer
    x = 32,289.10

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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.