Home / 51,240.79-76,808.53-19,642.29

Finding the Fourth Proportional to 51,240.79, 76,808.53 and 19,642.29

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Solution

The fourth proportional to 51,240.79, 76,808.53 and 19,642.29 is: 29,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.79 : 76,808.53 = 19,642.29 : x
  2. Step 2: Convert to fraction form
    51,240.79/76,808.53 = 19,642.29/x
  3. Step 3: Cross multiply
    51,240.79x = 76,808.53 × 19,642.29
  4. Step 4: Simplify right side
    51,240.79x = 1,508,695,420.73
  5. Step 5: Solve for x
    x = 1,508,695,420.73/51,240.79
  6. Step 6: Final answer
    x = 29,443.25

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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.