Home / 53,318-79,947.22-33,554.20

Finding the Fourth Proportional to 53,318, 79,947.22 and 33,554.20

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Solution

The fourth proportional to 53,318, 79,947.22 and 33,554.20 is: 50,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318 : 79,947.22 = 33,554.20 : x
  2. Step 2: Convert to fraction form
    53,318/79,947.22 = 33,554.20/x
  3. Step 3: Cross multiply
    53,318x = 79,947.22 × 33,554.20
  4. Step 4: Simplify right side
    53,318x = 2,682,565,009.32
  5. Step 5: Solve for x
    x = 2,682,565,009.32/53,318
  6. Step 6: Final answer
    x = 50,312.56

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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.