Home / 35,643.12-49,186.80-19,726.64

Finding the Fourth Proportional to 35,643.12, 49,186.80 and 19,726.64

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Solution

The fourth proportional to 35,643.12, 49,186.80 and 19,726.64 is: 27,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.12 : 49,186.80 = 19,726.64 : x
  2. Step 2: Convert to fraction form
    35,643.12/49,186.80 = 19,726.64/x
  3. Step 3: Cross multiply
    35,643.12x = 49,186.80 × 19,726.64
  4. Step 4: Simplify right side
    35,643.12x = 970,290,296.35
  5. Step 5: Solve for x
    x = 970,290,296.35/35,643.12
  6. Step 6: Final answer
    x = 27,222.37

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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.