Home / 35,819.64-49,431.42-19,904.40

Finding the Fourth Proportional to 35,819.64, 49,431.42 and 19,904.40

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Solution

The fourth proportional to 35,819.64, 49,431.42 and 19,904.40 is: 27,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.64 : 49,431.42 = 19,904.40 : x
  2. Step 2: Convert to fraction form
    35,819.64/49,431.42 = 19,904.40/x
  3. Step 3: Cross multiply
    35,819.64x = 49,431.42 × 19,904.40
  4. Step 4: Simplify right side
    35,819.64x = 983,902,756.25
  5. Step 5: Solve for x
    x = 983,902,756.25/35,819.64
  6. Step 6: Final answer
    x = 27,468.25

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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.