Home / 30,474.23-45,724.91-19,378.04

Finding the Fourth Proportional to 30,474.23, 45,724.91 and 19,378.04

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Solution

The fourth proportional to 30,474.23, 45,724.91 and 19,378.04 is: 29,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.23 : 45,724.91 = 19,378.04 : x
  2. Step 2: Convert to fraction form
    30,474.23/45,724.91 = 19,378.04/x
  3. Step 3: Cross multiply
    30,474.23x = 45,724.91 × 19,378.04
  4. Step 4: Simplify right side
    30,474.23x = 886,058,809.46
  5. Step 5: Solve for x
    x = 886,058,809.46/30,474.23
  6. Step 6: Final answer
    x = 29,075.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.