Home / 51,806.22-71,490.50-29,145.66

Finding the Fourth Proportional to 51,806.22, 71,490.50 and 29,145.66

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Solution

The fourth proportional to 51,806.22, 71,490.50 and 29,145.66 is: 40,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.22 : 71,490.50 = 29,145.66 : x
  2. Step 2: Convert to fraction form
    51,806.22/71,490.50 = 29,145.66/x
  3. Step 3: Cross multiply
    51,806.22x = 71,490.50 × 29,145.66
  4. Step 4: Simplify right side
    51,806.22x = 2,083,637,806.23
  5. Step 5: Solve for x
    x = 2,083,637,806.23/51,806.22
  6. Step 6: Final answer
    x = 40,219.84

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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.