Home / 51,720.89-77,559.46-16,172.66

Finding the Fourth Proportional to 51,720.89, 77,559.46 and 16,172.66

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Solution

The fourth proportional to 51,720.89, 77,559.46 and 16,172.66 is: 24,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.89 : 77,559.46 = 16,172.66 : x
  2. Step 2: Convert to fraction form
    51,720.89/77,559.46 = 16,172.66/x
  3. Step 3: Cross multiply
    51,720.89x = 77,559.46 × 16,172.66
  4. Step 4: Simplify right side
    51,720.89x = 1,254,342,929.83
  5. Step 5: Solve for x
    x = 1,254,342,929.83/51,720.89
  6. Step 6: Final answer
    x = 24,252.16

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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.