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Finding the Fourth Proportional to 47,603.69, 70,979.94 and 46,295.85

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Solution

The fourth proportional to 47,603.69, 70,979.94 and 46,295.85 is: 69,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,603.69 : 70,979.94 = 46,295.85 : x
  2. Step 2: Convert to fraction form
    47,603.69/70,979.94 = 46,295.85/x
  3. Step 3: Cross multiply
    47,603.69x = 70,979.94 × 46,295.85
  4. Step 4: Simplify right side
    47,603.69x = 3,286,076,300.35
  5. Step 5: Solve for x
    x = 3,286,076,300.35/47,603.69
  6. Step 6: Final answer
    x = 69,029.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.