Home / 51,331.77-76,999.82-17,621.01

Finding the Fourth Proportional to 51,331.77, 76,999.82 and 17,621.01

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Solution

The fourth proportional to 51,331.77, 76,999.82 and 17,621.01 is: 26,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,331.77 : 76,999.82 = 17,621.01 : x
  2. Step 2: Convert to fraction form
    51,331.77/76,999.82 = 17,621.01/x
  3. Step 3: Cross multiply
    51,331.77x = 76,999.82 × 17,621.01
  4. Step 4: Simplify right side
    51,331.77x = 1,356,814,510.11
  5. Step 5: Solve for x
    x = 1,356,814,510.11/51,331.77
  6. Step 6: Final answer
    x = 26,432.26

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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.