Home / 51,720.98-77,579.91-14,283.32

Finding the Fourth Proportional to 51,720.98, 77,579.91 and 14,283.32

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Solution

The fourth proportional to 51,720.98, 77,579.91 and 14,283.32 is: 21,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.98 : 77,579.91 = 14,283.32 : x
  2. Step 2: Convert to fraction form
    51,720.98/77,579.91 = 14,283.32/x
  3. Step 3: Cross multiply
    51,720.98x = 77,579.91 × 14,283.32
  4. Step 4: Simplify right side
    51,720.98x = 1,108,098,292.20
  5. Step 5: Solve for x
    x = 1,108,098,292.20/51,720.98
  6. Step 6: Final answer
    x = 21,424.54

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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.