Home / 51,007.50-76,515.66-14,071.50

Finding the Fourth Proportional to 51,007.50, 76,515.66 and 14,071.50

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Solution

The fourth proportional to 51,007.50, 76,515.66 and 14,071.50 is: 21,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.50 : 76,515.66 = 14,071.50 : x
  2. Step 2: Convert to fraction form
    51,007.50/76,515.66 = 14,071.50/x
  3. Step 3: Cross multiply
    51,007.50x = 76,515.66 × 14,071.50
  4. Step 4: Simplify right side
    51,007.50x = 1,076,690,109.69
  5. Step 5: Solve for x
    x = 1,076,690,109.69/51,007.50
  6. Step 6: Final answer
    x = 21,108.47

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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.