Home / 31,448.30-43,398.86-17,108.26

Finding the Fourth Proportional to 31,448.30, 43,398.86 and 17,108.26

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Solution

The fourth proportional to 31,448.30, 43,398.86 and 17,108.26 is: 23,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.30 : 43,398.86 = 17,108.26 : x
  2. Step 2: Convert to fraction form
    31,448.30/43,398.86 = 17,108.26/x
  3. Step 3: Cross multiply
    31,448.30x = 43,398.86 × 17,108.26
  4. Step 4: Simplify right side
    31,448.30x = 742,478,914.86
  5. Step 5: Solve for x
    x = 742,478,914.86/31,448.30
  6. Step 6: Final answer
    x = 23,609.51

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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.