Home / 51,772.19-71,445.26-29,111.22

Finding the Fourth Proportional to 51,772.19, 71,445.26 and 29,111.22

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Solution

The fourth proportional to 51,772.19, 71,445.26 and 29,111.22 is: 40,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.19 : 71,445.26 = 29,111.22 : x
  2. Step 2: Convert to fraction form
    51,772.19/71,445.26 = 29,111.22/x
  3. Step 3: Cross multiply
    51,772.19x = 71,445.26 × 29,111.22
  4. Step 4: Simplify right side
    51,772.19x = 2,079,858,754.60
  5. Step 5: Solve for x
    x = 2,079,858,754.60/51,772.19
  6. Step 6: Final answer
    x = 40,173.29

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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.