Home / 35,722.23-49,299.60-19,811.40

Finding the Fourth Proportional to 35,722.23, 49,299.60 and 19,811.40

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Solution

The fourth proportional to 35,722.23, 49,299.60 and 19,811.40 is: 27,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,722.23 : 49,299.60 = 19,811.40 : x
  2. Step 2: Convert to fraction form
    35,722.23/49,299.60 = 19,811.40/x
  3. Step 3: Cross multiply
    35,722.23x = 49,299.60 × 19,811.40
  4. Step 4: Simplify right side
    35,722.23x = 976,694,095.44
  5. Step 5: Solve for x
    x = 976,694,095.44/35,722.23
  6. Step 6: Final answer
    x = 27,341.35

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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.