Home / 40,871.78-61,308.83-11,289.62

Finding the Fourth Proportional to 40,871.78, 61,308.83 and 11,289.62

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Solution

The fourth proportional to 40,871.78, 61,308.83 and 11,289.62 is: 16,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.78 : 61,308.83 = 11,289.62 : x
  2. Step 2: Convert to fraction form
    40,871.78/61,308.83 = 11,289.62/x
  3. Step 3: Cross multiply
    40,871.78x = 61,308.83 × 11,289.62
  4. Step 4: Simplify right side
    40,871.78x = 692,153,574.84
  5. Step 5: Solve for x
    x = 692,153,574.84/40,871.78
  6. Step 6: Final answer
    x = 16,934.75

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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.