Home / 31,346.24-47,022.39-9,159.11

Finding the Fourth Proportional to 31,346.24, 47,022.39 and 9,159.11

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Solution

The fourth proportional to 31,346.24, 47,022.39 and 9,159.11 is: 13,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.24 : 47,022.39 = 9,159.11 : x
  2. Step 2: Convert to fraction form
    31,346.24/47,022.39 = 9,159.11/x
  3. Step 3: Cross multiply
    31,346.24x = 47,022.39 × 9,159.11
  4. Step 4: Simplify right side
    31,346.24x = 430,683,242.47
  5. Step 5: Solve for x
    x = 430,683,242.47/31,346.24
  6. Step 6: Final answer
    x = 13,739.55

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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.