Home / 30,199.92-41,696.31-18,886.46

Finding the Fourth Proportional to 30,199.92, 41,696.31 and 18,886.46

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Solution

The fourth proportional to 30,199.92, 41,696.31 and 18,886.46 is: 26,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.92 : 41,696.31 = 18,886.46 : x
  2. Step 2: Convert to fraction form
    30,199.92/41,696.31 = 18,886.46/x
  3. Step 3: Cross multiply
    30,199.92x = 41,696.31 × 18,886.46
  4. Step 4: Simplify right side
    30,199.92x = 787,495,482.48
  5. Step 5: Solve for x
    x = 787,495,482.48/30,199.92
  6. Step 6: Final answer
    x = 26,076.08

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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.