Home / 35,821.07-49,431.15-19,904.57

Finding the Fourth Proportional to 35,821.07, 49,431.15 and 19,904.57

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Solution

The fourth proportional to 35,821.07, 49,431.15 and 19,904.57 is: 27,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.07 : 49,431.15 = 19,904.57 : x
  2. Step 2: Convert to fraction form
    35,821.07/49,431.15 = 19,904.57/x
  3. Step 3: Cross multiply
    35,821.07x = 49,431.15 × 19,904.57
  4. Step 4: Simplify right side
    35,821.07x = 983,905,538.20
  5. Step 5: Solve for x
    x = 983,905,538.20/35,821.07
  6. Step 6: Final answer
    x = 27,467.23

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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.