Home / 40,267.36-60,401.12-13,972.16

Finding the Fourth Proportional to 40,267.36, 60,401.12 and 13,972.16

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Solution

The fourth proportional to 40,267.36, 60,401.12 and 13,972.16 is: 20,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.36 : 60,401.12 = 13,972.16 : x
  2. Step 2: Convert to fraction form
    40,267.36/60,401.12 = 13,972.16/x
  3. Step 3: Cross multiply
    40,267.36x = 60,401.12 × 13,972.16
  4. Step 4: Simplify right side
    40,267.36x = 843,934,112.82
  5. Step 5: Solve for x
    x = 843,934,112.82/40,267.36
  6. Step 6: Final answer
    x = 20,958.27

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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.