Home / 39,401.46-59,105.07-11,320.38

Finding the Fourth Proportional to 39,401.46, 59,105.07 and 11,320.38

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Solution

The fourth proportional to 39,401.46, 59,105.07 and 11,320.38 is: 16,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.46 : 59,105.07 = 11,320.38 : x
  2. Step 2: Convert to fraction form
    39,401.46/59,105.07 = 11,320.38/x
  3. Step 3: Cross multiply
    39,401.46x = 59,105.07 × 11,320.38
  4. Step 4: Simplify right side
    39,401.46x = 669,091,852.33
  5. Step 5: Solve for x
    x = 669,091,852.33/39,401.46
  6. Step 6: Final answer
    x = 16,981.40

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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.