Home / 35,725.12-49,298.40-19,808.64

Finding the Fourth Proportional to 35,725.12, 49,298.40 and 19,808.64

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Solution

The fourth proportional to 35,725.12, 49,298.40 and 19,808.64 is: 27,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,725.12 : 49,298.40 = 19,808.64 : x
  2. Step 2: Convert to fraction form
    35,725.12/49,298.40 = 19,808.64/x
  3. Step 3: Cross multiply
    35,725.12x = 49,298.40 × 19,808.64
  4. Step 4: Simplify right side
    35,725.12x = 976,534,258.18
  5. Step 5: Solve for x
    x = 976,534,258.18/35,725.12
  6. Step 6: Final answer
    x = 27,334.67

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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.