Home / 31,162.50-46,742.13-11,439.45

Finding the Fourth Proportional to 31,162.50, 46,742.13 and 11,439.45

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Solution

The fourth proportional to 31,162.50, 46,742.13 and 11,439.45 is: 17,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.50 : 46,742.13 = 11,439.45 : x
  2. Step 2: Convert to fraction form
    31,162.50/46,742.13 = 11,439.45/x
  3. Step 3: Cross multiply
    31,162.50x = 46,742.13 × 11,439.45
  4. Step 4: Simplify right side
    31,162.50x = 534,704,259.03
  5. Step 5: Solve for x
    x = 534,704,259.03/31,162.50
  6. Step 6: Final answer
    x = 17,158.58

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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.