Home / 51,370.26-77,071.86-21,812.94

Finding the Fourth Proportional to 51,370.26, 77,071.86 and 21,812.94

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Solution

The fourth proportional to 51,370.26, 77,071.86 and 21,812.94 is: 32,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.26 : 77,071.86 = 21,812.94 : x
  2. Step 2: Convert to fraction form
    51,370.26/77,071.86 = 21,812.94/x
  3. Step 3: Cross multiply
    51,370.26x = 77,071.86 × 21,812.94
  4. Step 4: Simplify right side
    51,370.26x = 1,681,163,857.87
  5. Step 5: Solve for x
    x = 1,681,163,857.87/51,370.26
  6. Step 6: Final answer
    x = 32,726.40

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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.