Home / 31,603.05-43,611.35-17,455.05

Finding the Fourth Proportional to 31,603.05, 43,611.35 and 17,455.05

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Solution

The fourth proportional to 31,603.05, 43,611.35 and 17,455.05 is: 24,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,603.05 : 43,611.35 = 17,455.05 : x
  2. Step 2: Convert to fraction form
    31,603.05/43,611.35 = 17,455.05/x
  3. Step 3: Cross multiply
    31,603.05x = 43,611.35 × 17,455.05
  4. Step 4: Simplify right side
    31,603.05x = 761,238,207.54
  5. Step 5: Solve for x
    x = 761,238,207.54/31,603.05
  6. Step 6: Final answer
    x = 24,087.49

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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.