Home / 30,574.84-42,175.40-19,226.37

Finding the Fourth Proportional to 30,574.84, 42,175.40 and 19,226.37

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Solution

The fourth proportional to 30,574.84, 42,175.40 and 19,226.37 is: 26,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574.84 : 42,175.40 = 19,226.37 : x
  2. Step 2: Convert to fraction form
    30,574.84/42,175.40 = 19,226.37/x
  3. Step 3: Cross multiply
    30,574.84x = 42,175.40 × 19,226.37
  4. Step 4: Simplify right side
    30,574.84x = 810,879,787.93
  5. Step 5: Solve for x
    x = 810,879,787.93/30,574.84
  6. Step 6: Final answer
    x = 26,521.15

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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.