Home / 31,680.74-43,718.18-17,533.28

Finding the Fourth Proportional to 31,680.74, 43,718.18 and 17,533.28

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Solution

The fourth proportional to 31,680.74, 43,718.18 and 17,533.28 is: 24,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,680.74 : 43,718.18 = 17,533.28 : x
  2. Step 2: Convert to fraction form
    31,680.74/43,718.18 = 17,533.28/x
  3. Step 3: Cross multiply
    31,680.74x = 43,718.18 × 17,533.28
  4. Step 4: Simplify right side
    31,680.74x = 766,523,091.03
  5. Step 5: Solve for x
    x = 766,523,091.03/31,680.74
  6. Step 6: Final answer
    x = 24,195.24

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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.