Home / 40,320.85-60,401.43-27,639.40

Finding the Fourth Proportional to 40,320.85, 60,401.43 and 27,639.40

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Solution

The fourth proportional to 40,320.85, 60,401.43 and 27,639.40 is: 41,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.85 : 60,401.43 = 27,639.40 : x
  2. Step 2: Convert to fraction form
    40,320.85/60,401.43 = 27,639.40/x
  3. Step 3: Cross multiply
    40,320.85x = 60,401.43 × 27,639.40
  4. Step 4: Simplify right side
    40,320.85x = 1,669,459,284.34
  5. Step 5: Solve for x
    x = 1,669,459,284.34/40,320.85
  6. Step 6: Final answer
    x = 41,404.37

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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.