Home / 31,300.80-43,112.16-23,317.44

Finding the Fourth Proportional to 31,300.80, 43,112.16 and 23,317.44

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Solution

The fourth proportional to 31,300.80, 43,112.16 and 23,317.44 is: 32,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.80 : 43,112.16 = 23,317.44 : x
  2. Step 2: Convert to fraction form
    31,300.80/43,112.16 = 23,317.44/x
  3. Step 3: Cross multiply
    31,300.80x = 43,112.16 × 23,317.44
  4. Step 4: Simplify right side
    31,300.80x = 1,005,265,204.07
  5. Step 5: Solve for x
    x = 1,005,265,204.07/31,300.80
  6. Step 6: Final answer
    x = 32,116.28

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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.