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Finding the Fourth Proportional to 39,874.30, 59,811.51 and 37,438.52

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Solution

The fourth proportional to 39,874.30, 59,811.51 and 37,438.52 is: 56,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874.30 : 59,811.51 = 37,438.52 : x
  2. Step 2: Convert to fraction form
    39,874.30/59,811.51 = 37,438.52/x
  3. Step 3: Cross multiply
    39,874.30x = 59,811.51 × 37,438.52
  4. Step 4: Simplify right side
    39,874.30x = 2,239,254,413.37
  5. Step 5: Solve for x
    x = 2,239,254,413.37/39,874.30
  6. Step 6: Final answer
    x = 56,157.84

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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.