Home / 35,611.05-49,142.40-19,695.16

Finding the Fourth Proportional to 35,611.05, 49,142.40 and 19,695.16

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Solution

The fourth proportional to 35,611.05, 49,142.40 and 19,695.16 is: 27,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.05 : 49,142.40 = 19,695.16 : x
  2. Step 2: Convert to fraction form
    35,611.05/49,142.40 = 19,695.16/x
  3. Step 3: Cross multiply
    35,611.05x = 49,142.40 × 19,695.16
  4. Step 4: Simplify right side
    35,611.05x = 967,867,430.78
  5. Step 5: Solve for x
    x = 967,867,430.78/35,611.05
  6. Step 6: Final answer
    x = 27,178.85

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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.