Home / 51,167.15-76,758.93-21,589.34

Finding the Fourth Proportional to 51,167.15, 76,758.93 and 21,589.34

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Solution

The fourth proportional to 51,167.15, 76,758.93 and 21,589.34 is: 32,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.15 : 76,758.93 = 21,589.34 : x
  2. Step 2: Convert to fraction form
    51,167.15/76,758.93 = 21,589.34/x
  3. Step 3: Cross multiply
    51,167.15x = 76,758.93 × 21,589.34
  4. Step 4: Simplify right side
    51,167.15x = 1,657,174,254.01
  5. Step 5: Solve for x
    x = 1,657,174,254.01/51,167.15
  6. Step 6: Final answer
    x = 32,387.47

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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.