Home / 35,774.10-49,365.79-19,857.30

Finding the Fourth Proportional to 35,774.10, 49,365.79 and 19,857.30

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Solution

The fourth proportional to 35,774.10, 49,365.79 and 19,857.30 is: 27,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.10 : 49,365.79 = 19,857.30 : x
  2. Step 2: Convert to fraction form
    35,774.10/49,365.79 = 19,857.30/x
  3. Step 3: Cross multiply
    35,774.10x = 49,365.79 × 19,857.30
  4. Step 4: Simplify right side
    35,774.10x = 980,271,301.77
  5. Step 5: Solve for x
    x = 980,271,301.77/35,774.10
  6. Step 6: Final answer
    x = 27,401.70

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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.