Home / 30,702.35-46,053.53-10,979.71

Finding the Fourth Proportional to 30,702.35, 46,053.53 and 10,979.71

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Solution

The fourth proportional to 30,702.35, 46,053.53 and 10,979.71 is: 16,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.35 : 46,053.53 = 10,979.71 : x
  2. Step 2: Convert to fraction form
    30,702.35/46,053.53 = 10,979.71/x
  3. Step 3: Cross multiply
    30,702.35x = 46,053.53 × 10,979.71
  4. Step 4: Simplify right side
    30,702.35x = 505,654,348.98
  5. Step 5: Solve for x
    x = 505,654,348.98/30,702.35
  6. Step 6: Final answer
    x = 16,469.57

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1.5x scale

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.