Home / 30,175.74-41,677.08-19,873.54

Finding the Fourth Proportional to 30,175.74, 41,677.08 and 19,873.54

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Solution

The fourth proportional to 30,175.74, 41,677.08 and 19,873.54 is: 27,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.74 : 41,677.08 = 19,873.54 : x
  2. Step 2: Convert to fraction form
    30,175.74/41,677.08 = 19,873.54/x
  3. Step 3: Cross multiply
    30,175.74x = 41,677.08 × 19,873.54
  4. Step 4: Simplify right side
    30,175.74x = 828,271,116.46
  5. Step 5: Solve for x
    x = 828,271,116.46/30,175.74
  6. Step 6: Final answer
    x = 27,448.25

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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.