Home / 31,293.76-43,185.10-16,953.26

Finding the Fourth Proportional to 31,293.76, 43,185.10 and 16,953.26

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Solution

The fourth proportional to 31,293.76, 43,185.10 and 16,953.26 is: 23,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.76 : 43,185.10 = 16,953.26 : x
  2. Step 2: Convert to fraction form
    31,293.76/43,185.10 = 16,953.26/x
  3. Step 3: Cross multiply
    31,293.76x = 43,185.10 × 16,953.26
  4. Step 4: Simplify right side
    31,293.76x = 732,128,120.46
  5. Step 5: Solve for x
    x = 732,128,120.46/31,293.76
  6. Step 6: Final answer
    x = 23,395.34

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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.