Home / 31,099.20-46,649.88-10,039.20

Finding the Fourth Proportional to 31,099.20, 46,649.88 and 10,039.20

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Solution

The fourth proportional to 31,099.20, 46,649.88 and 10,039.20 is: 15,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.20 : 46,649.88 = 10,039.20 : x
  2. Step 2: Convert to fraction form
    31,099.20/46,649.88 = 10,039.20/x
  3. Step 3: Cross multiply
    31,099.20x = 46,649.88 × 10,039.20
  4. Step 4: Simplify right side
    31,099.20x = 468,327,475.30
  5. Step 5: Solve for x
    x = 468,327,475.30/31,099.20
  6. Step 6: Final answer
    x = 15,059.15

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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.