Home / 49,239.78-73,475.40-43,938.30

Finding the Fourth Proportional to 49,239.78, 73,475.40 and 43,938.30

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Solution

The fourth proportional to 49,239.78, 73,475.40 and 43,938.30 is: 65,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239.78 : 73,475.40 = 43,938.30 : x
  2. Step 2: Convert to fraction form
    49,239.78/73,475.40 = 43,938.30/x
  3. Step 3: Cross multiply
    49,239.78x = 73,475.40 × 43,938.30
  4. Step 4: Simplify right side
    49,239.78x = 3,228,384,167.82
  5. Step 5: Solve for x
    x = 3,228,384,167.82/49,239.78
  6. Step 6: Final answer
    x = 65,564.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.