Home / 30,165.05-45,247.59-10,432.85

Finding the Fourth Proportional to 30,165.05, 45,247.59 and 10,432.85

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Solution

The fourth proportional to 30,165.05, 45,247.59 and 10,432.85 is: 15,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.05 : 45,247.59 = 10,432.85 : x
  2. Step 2: Convert to fraction form
    30,165.05/45,247.59 = 10,432.85/x
  3. Step 3: Cross multiply
    30,165.05x = 45,247.59 × 10,432.85
  4. Step 4: Simplify right side
    30,165.05x = 472,061,093.09
  5. Step 5: Solve for x
    x = 472,061,093.09/30,165.05
  6. Step 6: Final answer
    x = 15,649.27

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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.