Home / 51,025.50-76,542.66-14,089.50

Finding the Fourth Proportional to 51,025.50, 76,542.66 and 14,089.50

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Solution

The fourth proportional to 51,025.50, 76,542.66 and 14,089.50 is: 21,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.50 : 76,542.66 = 14,089.50 : x
  2. Step 2: Convert to fraction form
    51,025.50/76,542.66 = 14,089.50/x
  3. Step 3: Cross multiply
    51,025.50x = 76,542.66 × 14,089.50
  4. Step 4: Simplify right side
    51,025.50x = 1,078,447,808.07
  5. Step 5: Solve for x
    x = 1,078,447,808.07/51,025.50
  6. Step 6: Final answer
    x = 21,135.47

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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.