Home / 51,977.90-71,729.41-29,316.82

Finding the Fourth Proportional to 51,977.90, 71,729.41 and 29,316.82

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Solution

The fourth proportional to 51,977.90, 71,729.41 and 29,316.82 is: 40,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.90 : 71,729.41 = 29,316.82 : x
  2. Step 2: Convert to fraction form
    51,977.90/71,729.41 = 29,316.82/x
  3. Step 3: Cross multiply
    51,977.90x = 71,729.41 × 29,316.82
  4. Step 4: Simplify right side
    51,977.90x = 2,102,878,201.68
  5. Step 5: Solve for x
    x = 2,102,878,201.68/51,977.90
  6. Step 6: Final answer
    x = 40,457.16

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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.