Home / 23,118.84-31,848.75-21,993.21

Finding the Fourth Proportional to 23,118.84, 31,848.75 and 21,993.21

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Solution

The fourth proportional to 23,118.84, 31,848.75 and 21,993.21 is: 30,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.84 : 31,848.75 = 21,993.21 : x
  2. Step 2: Convert to fraction form
    23,118.84/31,848.75 = 21,993.21/x
  3. Step 3: Cross multiply
    23,118.84x = 31,848.75 × 21,993.21
  4. Step 4: Simplify right side
    23,118.84x = 700,456,246.99
  5. Step 5: Solve for x
    x = 700,456,246.99/23,118.84
  6. Step 6: Final answer
    x = 30,298.07

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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.