Home / 53,019.36-79,477.20-21,876.96

Finding the Fourth Proportional to 53,019.36, 79,477.20 and 21,876.96

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Solution

The fourth proportional to 53,019.36, 79,477.20 and 21,876.96 is: 32,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.36 : 79,477.20 = 21,876.96 : x
  2. Step 2: Convert to fraction form
    53,019.36/79,477.20 = 21,876.96/x
  3. Step 3: Cross multiply
    53,019.36x = 79,477.20 × 21,876.96
  4. Step 4: Simplify right side
    53,019.36x = 1,738,719,525.31
  5. Step 5: Solve for x
    x = 1,738,719,525.31/53,019.36
  6. Step 6: Final answer
    x = 32,794.05

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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.