Home / 33,240.16-49,869.90-12,465.28

Finding the Fourth Proportional to 33,240.16, 49,869.90 and 12,465.28

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Solution

The fourth proportional to 33,240.16, 49,869.90 and 12,465.28 is: 18,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.16 : 49,869.90 = 12,465.28 : x
  2. Step 2: Convert to fraction form
    33,240.16/49,869.90 = 12,465.28/x
  3. Step 3: Cross multiply
    33,240.16x = 49,869.90 × 12,465.28
  4. Step 4: Simplify right side
    33,240.16x = 621,642,267.07
  5. Step 5: Solve for x
    x = 621,642,267.07/33,240.16
  6. Step 6: Final answer
    x = 18,701.54

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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.