Home / 51,704.31-77,547.23-13,753.79

Finding the Fourth Proportional to 51,704.31, 77,547.23 and 13,753.79

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Solution

The fourth proportional to 51,704.31, 77,547.23 and 13,753.79 is: 20,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.31 : 77,547.23 = 13,753.79 : x
  2. Step 2: Convert to fraction form
    51,704.31/77,547.23 = 13,753.79/x
  3. Step 3: Cross multiply
    51,704.31x = 77,547.23 × 13,753.79
  4. Step 4: Simplify right side
    51,704.31x = 1,066,567,860.00
  5. Step 5: Solve for x
    x = 1,066,567,860.00/51,704.31
  6. Step 6: Final answer
    x = 20,628.22

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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.