Home / 52,003.56-78,020.46-18,723

Finding the Fourth Proportional to 52,003.56, 78,020.46 and 18,723

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Solution

The fourth proportional to 52,003.56, 78,020.46 and 18,723 is: 28,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003.56 : 78,020.46 = 18,723 : x
  2. Step 2: Convert to fraction form
    52,003.56/78,020.46 = 18,723/x
  3. Step 3: Cross multiply
    52,003.56x = 78,020.46 × 18,723
  4. Step 4: Simplify right side
    52,003.56x = 1,460,777,072.58
  5. Step 5: Solve for x
    x = 1,460,777,072.58/52,003.56
  6. Step 6: Final answer
    x = 28,089.94

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1.5x scale

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.