Home / 31,518.05-43,494.75-17,370.86

Finding the Fourth Proportional to 31,518.05, 43,494.75 and 17,370.86

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Solution

The fourth proportional to 31,518.05, 43,494.75 and 17,370.86 is: 23,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.05 : 43,494.75 = 17,370.86 : x
  2. Step 2: Convert to fraction form
    31,518.05/43,494.75 = 17,370.86/x
  3. Step 3: Cross multiply
    31,518.05x = 43,494.75 × 17,370.86
  4. Step 4: Simplify right side
    31,518.05x = 755,540,995.51
  5. Step 5: Solve for x
    x = 755,540,995.51/31,518.05
  6. Step 6: Final answer
    x = 23,971.70

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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.