Home / 35,754.21-49,341.15-19,840.14

Finding the Fourth Proportional to 35,754.21, 49,341.15 and 19,840.14

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Solution

The fourth proportional to 35,754.21, 49,341.15 and 19,840.14 is: 27,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.21 : 49,341.15 = 19,840.14 : x
  2. Step 2: Convert to fraction form
    35,754.21/49,341.15 = 19,840.14/x
  3. Step 3: Cross multiply
    35,754.21x = 49,341.15 × 19,840.14
  4. Step 4: Simplify right side
    35,754.21x = 978,935,323.76
  5. Step 5: Solve for x
    x = 978,935,323.76/35,754.21
  6. Step 6: Final answer
    x = 27,379.58

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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.