Home / 31,448.01-43,399.04-17,108.64

Finding the Fourth Proportional to 31,448.01, 43,399.04 and 17,108.64

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Solution

The fourth proportional to 31,448.01, 43,399.04 and 17,108.64 is: 23,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.01 : 43,399.04 = 17,108.64 : x
  2. Step 2: Convert to fraction form
    31,448.01/43,399.04 = 17,108.64/x
  3. Step 3: Cross multiply
    31,448.01x = 43,399.04 × 17,108.64
  4. Step 4: Simplify right side
    31,448.01x = 742,498,466.16
  5. Step 5: Solve for x
    x = 742,498,466.16/31,448.01
  6. Step 6: Final answer
    x = 23,610.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.