Home / 51,220.98-76,828.70-19,646.17

Finding the Fourth Proportional to 51,220.98, 76,828.70 and 19,646.17

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Solution

The fourth proportional to 51,220.98, 76,828.70 and 19,646.17 is: 29,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220.98 : 76,828.70 = 19,646.17 : x
  2. Step 2: Convert to fraction form
    51,220.98/76,828.70 = 19,646.17/x
  3. Step 3: Cross multiply
    51,220.98x = 76,828.70 × 19,646.17
  4. Step 4: Simplify right side
    51,220.98x = 1,509,389,558.12
  5. Step 5: Solve for x
    x = 1,509,389,558.12/51,220.98
  6. Step 6: Final answer
    x = 29,468.19

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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.