Home / 52,504.84-78,725.58-20,919.77

Finding the Fourth Proportional to 52,504.84, 78,725.58 and 20,919.77

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Solution

The fourth proportional to 52,504.84, 78,725.58 and 20,919.77 is: 31,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,504.84 : 78,725.58 = 20,919.77 : x
  2. Step 2: Convert to fraction form
    52,504.84/78,725.58 = 20,919.77/x
  3. Step 3: Cross multiply
    52,504.84x = 78,725.58 × 20,919.77
  4. Step 4: Simplify right side
    52,504.84x = 1,646,921,026.72
  5. Step 5: Solve for x
    x = 1,646,921,026.72/52,504.84
  6. Step 6: Final answer
    x = 31,367.03

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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.