Home / 30,377.97-41,916.15-16,946.01

Finding the Fourth Proportional to 30,377.97, 41,916.15 and 16,946.01

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Solution

The fourth proportional to 30,377.97, 41,916.15 and 16,946.01 is: 23,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.97 : 41,916.15 = 16,946.01 : x
  2. Step 2: Convert to fraction form
    30,377.97/41,916.15 = 16,946.01/x
  3. Step 3: Cross multiply
    30,377.97x = 41,916.15 × 16,946.01
  4. Step 4: Simplify right side
    30,377.97x = 710,311,497.06
  5. Step 5: Solve for x
    x = 710,311,497.06/30,377.97
  6. Step 6: Final answer
    x = 23,382.45

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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.