Home / 31,679.42-43,718.28-17,533.22

Finding the Fourth Proportional to 31,679.42, 43,718.28 and 17,533.22

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Solution

The fourth proportional to 31,679.42, 43,718.28 and 17,533.22 is: 24,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.42 : 43,718.28 = 17,533.22 : x
  2. Step 2: Convert to fraction form
    31,679.42/43,718.28 = 17,533.22/x
  3. Step 3: Cross multiply
    31,679.42x = 43,718.28 × 17,533.22
  4. Step 4: Simplify right side
    31,679.42x = 766,522,221.26
  5. Step 5: Solve for x
    x = 766,522,221.26/31,679.42
  6. Step 6: Final answer
    x = 24,196.22

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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.