Home / 30,121.24-41,586.81-19,370.95

Finding the Fourth Proportional to 30,121.24, 41,586.81 and 19,370.95

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Solution

The fourth proportional to 30,121.24, 41,586.81 and 19,370.95 is: 26,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.24 : 41,586.81 = 19,370.95 : x
  2. Step 2: Convert to fraction form
    30,121.24/41,586.81 = 19,370.95/x
  3. Step 3: Cross multiply
    30,121.24x = 41,586.81 × 19,370.95
  4. Step 4: Simplify right side
    30,121.24x = 805,576,017.17
  5. Step 5: Solve for x
    x = 805,576,017.17/30,121.24
  6. Step 6: Final answer
    x = 26,744.45

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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.