Home / 30,154.17-45,199.32-10,144.61

Finding the Fourth Proportional to 30,154.17, 45,199.32 and 10,144.61

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Solution

The fourth proportional to 30,154.17, 45,199.32 and 10,144.61 is: 15,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.17 : 45,199.32 = 10,144.61 : x
  2. Step 2: Convert to fraction form
    30,154.17/45,199.32 = 10,144.61/x
  3. Step 3: Cross multiply
    30,154.17x = 45,199.32 × 10,144.61
  4. Step 4: Simplify right side
    30,154.17x = 458,529,379.12
  5. Step 5: Solve for x
    x = 458,529,379.12/30,154.17
  6. Step 6: Final answer
    x = 15,206.17

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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.