Home / 52,812.36-79,228.53-21,224.88

Finding the Fourth Proportional to 52,812.36, 79,228.53 and 21,224.88

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Solution

The fourth proportional to 52,812.36, 79,228.53 and 21,224.88 is: 31,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.36 : 79,228.53 = 21,224.88 : x
  2. Step 2: Convert to fraction form
    52,812.36/79,228.53 = 21,224.88/x
  3. Step 3: Cross multiply
    52,812.36x = 79,228.53 × 21,224.88
  4. Step 4: Simplify right side
    52,812.36x = 1,681,616,041.83
  5. Step 5: Solve for x
    x = 1,681,616,041.83/52,812.36
  6. Step 6: Final answer
    x = 31,841.33

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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.