Home / 31,968.66-44,116.80-17,821.20

Finding the Fourth Proportional to 31,968.66, 44,116.80 and 17,821.20

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Solution

The fourth proportional to 31,968.66, 44,116.80 and 17,821.20 is: 24,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.66 : 44,116.80 = 17,821.20 : x
  2. Step 2: Convert to fraction form
    31,968.66/44,116.80 = 17,821.20/x
  3. Step 3: Cross multiply
    31,968.66x = 44,116.80 × 17,821.20
  4. Step 4: Simplify right side
    31,968.66x = 786,214,316.16
  5. Step 5: Solve for x
    x = 786,214,316.16/31,968.66
  6. Step 6: Final answer
    x = 24,593.28

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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.