Home / 31,918.05-47,871.18-16,119.36

Finding the Fourth Proportional to 31,918.05, 47,871.18 and 16,119.36

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Solution

The fourth proportional to 31,918.05, 47,871.18 and 16,119.36 is: 24,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918.05 : 47,871.18 = 16,119.36 : x
  2. Step 2: Convert to fraction form
    31,918.05/47,871.18 = 16,119.36/x
  3. Step 3: Cross multiply
    31,918.05x = 47,871.18 × 16,119.36
  4. Step 4: Simplify right side
    31,918.05x = 771,652,784.04
  5. Step 5: Solve for x
    x = 771,652,784.04/31,918.05
  6. Step 6: Final answer
    x = 24,176.06

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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.