Home / 51,289.22-76,967.47-18,008.43

Finding the Fourth Proportional to 51,289.22, 76,967.47 and 18,008.43

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Solution

The fourth proportional to 51,289.22, 76,967.47 and 18,008.43 is: 27,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.22 : 76,967.47 = 18,008.43 : x
  2. Step 2: Convert to fraction form
    51,289.22/76,967.47 = 18,008.43/x
  3. Step 3: Cross multiply
    51,289.22x = 76,967.47 × 18,008.43
  4. Step 4: Simplify right side
    51,289.22x = 1,386,062,820.89
  5. Step 5: Solve for x
    x = 1,386,062,820.89/51,289.22
  6. Step 6: Final answer
    x = 27,024.45

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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.