Home / 31,211.42-43,071.92-17,064.24

Finding the Fourth Proportional to 31,211.42, 43,071.92 and 17,064.24

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Solution

The fourth proportional to 31,211.42, 43,071.92 and 17,064.24 is: 23,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.42 : 43,071.92 = 17,064.24 : x
  2. Step 2: Convert to fraction form
    31,211.42/43,071.92 = 17,064.24/x
  3. Step 3: Cross multiply
    31,211.42x = 43,071.92 × 17,064.24
  4. Step 4: Simplify right side
    31,211.42x = 734,989,580.14
  5. Step 5: Solve for x
    x = 734,989,580.14/31,211.42
  6. Step 6: Final answer
    x = 23,548.74

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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.