Home / 52,311.88-72,187.63-28,438.44

Finding the Fourth Proportional to 52,311.88, 72,187.63 and 28,438.44

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Solution

The fourth proportional to 52,311.88, 72,187.63 and 28,438.44 is: 39,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.88 : 72,187.63 = 28,438.44 : x
  2. Step 2: Convert to fraction form
    52,311.88/72,187.63 = 28,438.44/x
  3. Step 3: Cross multiply
    52,311.88x = 72,187.63 × 28,438.44
  4. Step 4: Simplify right side
    52,311.88x = 2,052,903,728.74
  5. Step 5: Solve for x
    x = 2,052,903,728.74/52,311.88
  6. Step 6: Final answer
    x = 39,243.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.