Home / 31,319.11-46,973.66-9,127.29

Finding the Fourth Proportional to 31,319.11, 46,973.66 and 9,127.29

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Solution

The fourth proportional to 31,319.11, 46,973.66 and 9,127.29 is: 13,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.11 : 46,973.66 = 9,127.29 : x
  2. Step 2: Convert to fraction form
    31,319.11/46,973.66 = 9,127.29/x
  3. Step 3: Cross multiply
    31,319.11x = 46,973.66 × 9,127.29
  4. Step 4: Simplify right side
    31,319.11x = 428,742,171.54
  5. Step 5: Solve for x
    x = 428,742,171.54/31,319.11
  6. Step 6: Final answer
    x = 13,689.48

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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.