Home / 51,010.41-76,503.47-21,428.82

Finding the Fourth Proportional to 51,010.41, 76,503.47 and 21,428.82

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Solution

The fourth proportional to 51,010.41, 76,503.47 and 21,428.82 is: 32,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.41 : 76,503.47 = 21,428.82 : x
  2. Step 2: Convert to fraction form
    51,010.41/76,503.47 = 21,428.82/x
  3. Step 3: Cross multiply
    51,010.41x = 76,503.47 × 21,428.82
  4. Step 4: Simplify right side
    51,010.41x = 1,639,378,980.86
  5. Step 5: Solve for x
    x = 1,639,378,980.86/51,010.41
  6. Step 6: Final answer
    x = 32,138.13

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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.