Home / 49,383.45-74,239.20-42,166.35

Finding the Fourth Proportional to 49,383.45, 74,239.20 and 42,166.35

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Solution

The fourth proportional to 49,383.45, 74,239.20 and 42,166.35 is: 63,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,383.45 : 74,239.20 = 42,166.35 : x
  2. Step 2: Convert to fraction form
    49,383.45/74,239.20 = 42,166.35/x
  3. Step 3: Cross multiply
    49,383.45x = 74,239.20 × 42,166.35
  4. Step 4: Simplify right side
    49,383.45x = 3,130,396,090.92
  5. Step 5: Solve for x
    x = 3,130,396,090.92/49,383.45
  6. Step 6: Final answer
    x = 63,389.58

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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.