Home / 51,938.64-77,891.76-16,871.04

Finding the Fourth Proportional to 51,938.64, 77,891.76 and 16,871.04

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Solution

The fourth proportional to 51,938.64, 77,891.76 and 16,871.04 is: 25,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.64 : 77,891.76 = 16,871.04 : x
  2. Step 2: Convert to fraction form
    51,938.64/77,891.76 = 16,871.04/x
  3. Step 3: Cross multiply
    51,938.64x = 77,891.76 × 16,871.04
  4. Step 4: Simplify right side
    51,938.64x = 1,314,114,998.63
  5. Step 5: Solve for x
    x = 1,314,114,998.63/51,938.64
  6. Step 6: Final answer
    x = 25,301.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.