Home / 47,877.62-65,928.44-46,815.50

Finding the Fourth Proportional to 47,877.62, 65,928.44 and 46,815.50

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Solution

The fourth proportional to 47,877.62, 65,928.44 and 46,815.50 is: 64,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.62 : 65,928.44 = 46,815.50 : x
  2. Step 2: Convert to fraction form
    47,877.62/65,928.44 = 46,815.50/x
  3. Step 3: Cross multiply
    47,877.62x = 65,928.44 × 46,815.50
  4. Step 4: Simplify right side
    47,877.62x = 3,086,472,319.10
  5. Step 5: Solve for x
    x = 3,086,472,319.10/47,877.62
  6. Step 6: Final answer
    x = 64,465.87

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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.