Home / 51,008.40-76,501.53-15,943.50

Finding the Fourth Proportional to 51,008.40, 76,501.53 and 15,943.50

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Solution

The fourth proportional to 51,008.40, 76,501.53 and 15,943.50 is: 23,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.40 : 76,501.53 = 15,943.50 : x
  2. Step 2: Convert to fraction form
    51,008.40/76,501.53 = 15,943.50/x
  3. Step 3: Cross multiply
    51,008.40x = 76,501.53 × 15,943.50
  4. Step 4: Simplify right side
    51,008.40x = 1,219,702,143.56
  5. Step 5: Solve for x
    x = 1,219,702,143.56/51,008.40
  6. Step 6: Final answer
    x = 23,911.79

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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.