Home / 54,771.21-75,586.91-30,897.32

Finding the Fourth Proportional to 54,771.21, 75,586.91 and 30,897.32

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Solution

The fourth proportional to 54,771.21, 75,586.91 and 30,897.32 is: 42,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.21 : 75,586.91 = 30,897.32 : x
  2. Step 2: Convert to fraction form
    54,771.21/75,586.91 = 30,897.32/x
  3. Step 3: Cross multiply
    54,771.21x = 75,586.91 × 30,897.32
  4. Step 4: Simplify right side
    54,771.21x = 2,335,432,413.66
  5. Step 5: Solve for x
    x = 2,335,432,413.66/54,771.21
  6. Step 6: Final answer
    x = 42,639.78

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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.