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Finding the Fourth Proportional to 51,746, 77,619.72 and 14,810

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Solution

The fourth proportional to 51,746, 77,619.72 and 14,810 is: 22,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,746 : 77,619.72 = 14,810 : x
  2. Step 2: Convert to fraction form
    51,746/77,619.72 = 14,810/x
  3. Step 3: Cross multiply
    51,746x = 77,619.72 × 14,810
  4. Step 4: Simplify right side
    51,746x = 1,149,548,053.20
  5. Step 5: Solve for x
    x = 1,149,548,053.20/51,746
  6. Step 6: Final answer
    x = 22,215.21

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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.