Home / 49,511.78-74,090.25-42,871.19

Finding the Fourth Proportional to 49,511.78, 74,090.25 and 42,871.19

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Solution

The fourth proportional to 49,511.78, 74,090.25 and 42,871.19 is: 64,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.78 : 74,090.25 = 42,871.19 : x
  2. Step 2: Convert to fraction form
    49,511.78/74,090.25 = 42,871.19/x
  3. Step 3: Cross multiply
    49,511.78x = 74,090.25 × 42,871.19
  4. Step 4: Simplify right side
    49,511.78x = 3,176,337,370.12
  5. Step 5: Solve for x
    x = 3,176,337,370.12/49,511.78
  6. Step 6: Final answer
    x = 64,153.17

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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.