Home / 33,222.10-49,869.60-18,423.40

Finding the Fourth Proportional to 33,222.10, 49,869.60 and 18,423.40

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Solution

The fourth proportional to 33,222.10, 49,869.60 and 18,423.40 is: 27,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,222.10 : 49,869.60 = 18,423.40 : x
  2. Step 2: Convert to fraction form
    33,222.10/49,869.60 = 18,423.40/x
  3. Step 3: Cross multiply
    33,222.10x = 49,869.60 × 18,423.40
  4. Step 4: Simplify right side
    33,222.10x = 918,767,588.64
  5. Step 5: Solve for x
    x = 918,767,588.64/33,222.10
  6. Step 6: Final answer
    x = 27,655.31

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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.