Home / 52,107.58-78,161.40-18,827.56

Finding the Fourth Proportional to 52,107.58, 78,161.40 and 18,827.56

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Solution

The fourth proportional to 52,107.58, 78,161.40 and 18,827.56 is: 28,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,107.58 : 78,161.40 = 18,827.56 : x
  2. Step 2: Convert to fraction form
    52,107.58/78,161.40 = 18,827.56/x
  3. Step 3: Cross multiply
    52,107.58x = 78,161.40 × 18,827.56
  4. Step 4: Simplify right side
    52,107.58x = 1,471,588,448.18
  5. Step 5: Solve for x
    x = 1,471,588,448.18/52,107.58
  6. Step 6: Final answer
    x = 28,241.35

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1.5x scale

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.