Home / 31,353.86-43,268.91-17,207.21

Finding the Fourth Proportional to 31,353.86, 43,268.91 and 17,207.21

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Solution

The fourth proportional to 31,353.86, 43,268.91 and 17,207.21 is: 23,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.86 : 43,268.91 = 17,207.21 : x
  2. Step 2: Convert to fraction form
    31,353.86/43,268.91 = 17,207.21/x
  3. Step 3: Cross multiply
    31,353.86x = 43,268.91 × 17,207.21
  4. Step 4: Simplify right side
    31,353.86x = 744,537,220.84
  5. Step 5: Solve for x
    x = 744,537,220.84/31,353.86
  6. Step 6: Final answer
    x = 23,746.27

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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.