Home / 52,913.82-79,369.86-21,323.13

Finding the Fourth Proportional to 52,913.82, 79,369.86 and 21,323.13

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Solution

The fourth proportional to 52,913.82, 79,369.86 and 21,323.13 is: 31,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,913.82 : 79,369.86 = 21,323.13 : x
  2. Step 2: Convert to fraction form
    52,913.82/79,369.86 = 21,323.13/x
  3. Step 3: Cross multiply
    52,913.82x = 79,369.86 × 21,323.13
  4. Step 4: Simplify right side
    52,913.82x = 1,692,413,842.86
  5. Step 5: Solve for x
    x = 1,692,413,842.86/52,913.82
  6. Step 6: Final answer
    x = 31,984.34

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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.