Home / 30,917.76-46,382.90-13,148.38

Finding the Fourth Proportional to 30,917.76, 46,382.90 and 13,148.38

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Solution

The fourth proportional to 30,917.76, 46,382.90 and 13,148.38 is: 19,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.76 : 46,382.90 = 13,148.38 : x
  2. Step 2: Convert to fraction form
    30,917.76/46,382.90 = 13,148.38/x
  3. Step 3: Cross multiply
    30,917.76x = 46,382.90 × 13,148.38
  4. Step 4: Simplify right side
    30,917.76x = 609,859,994.70
  5. Step 5: Solve for x
    x = 609,859,994.70/30,917.76
  6. Step 6: Final answer
    x = 19,725.23

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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.