Home / 21,374.36-32,061.55-5,579.35

Finding the Fourth Proportional to 21,374.36, 32,061.55 and 5,579.35

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Solution

The fourth proportional to 21,374.36, 32,061.55 and 5,579.35 is: 8,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.36 : 32,061.55 = 5,579.35 : x
  2. Step 2: Convert to fraction form
    21,374.36/32,061.55 = 5,579.35/x
  3. Step 3: Cross multiply
    21,374.36x = 32,061.55 × 5,579.35
  4. Step 4: Simplify right side
    21,374.36x = 178,882,525.35
  5. Step 5: Solve for x
    x = 178,882,525.35/21,374.36
  6. Step 6: Final answer
    x = 8,369.02

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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.