Home / 30,052.78-45,066.87-13,401.43

Finding the Fourth Proportional to 30,052.78, 45,066.87 and 13,401.43

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Solution

The fourth proportional to 30,052.78, 45,066.87 and 13,401.43 is: 20,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.78 : 45,066.87 = 13,401.43 : x
  2. Step 2: Convert to fraction form
    30,052.78/45,066.87 = 13,401.43/x
  3. Step 3: Cross multiply
    30,052.78x = 45,066.87 × 13,401.43
  4. Step 4: Simplify right side
    30,052.78x = 603,960,390.96
  5. Step 5: Solve for x
    x = 603,960,390.96/30,052.78
  6. Step 6: Final answer
    x = 20,096.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.