Home / 31,211.02-43,071.36-17,063.87

Finding the Fourth Proportional to 31,211.02, 43,071.36 and 17,063.87

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Solution

The fourth proportional to 31,211.02, 43,071.36 and 17,063.87 is: 23,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.02 : 43,071.36 = 17,063.87 : x
  2. Step 2: Convert to fraction form
    31,211.02/43,071.36 = 17,063.87/x
  3. Step 3: Cross multiply
    31,211.02x = 43,071.36 × 17,063.87
  4. Step 4: Simplify right side
    31,211.02x = 734,963,808.42
  5. Step 5: Solve for x
    x = 734,963,808.42/31,211.02
  6. Step 6: Final answer
    x = 23,548.21

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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.