Home / 51,959.93-77,939.90-12,517.02

Finding the Fourth Proportional to 51,959.93, 77,939.90 and 12,517.02

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Solution

The fourth proportional to 51,959.93, 77,939.90 and 12,517.02 is: 18,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,959.93 : 77,939.90 = 12,517.02 : x
  2. Step 2: Convert to fraction form
    51,959.93/77,939.90 = 12,517.02/x
  3. Step 3: Cross multiply
    51,959.93x = 77,939.90 × 12,517.02
  4. Step 4: Simplify right side
    51,959.93x = 975,575,224.51
  5. Step 5: Solve for x
    x = 975,575,224.51/51,959.93
  6. Step 6: Final answer
    x = 18,775.53

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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.