Home / 30,120.24-41,585.43-19,369.95

Finding the Fourth Proportional to 30,120.24, 41,585.43 and 19,369.95

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Solution

The fourth proportional to 30,120.24, 41,585.43 and 19,369.95 is: 26,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.24 : 41,585.43 = 19,369.95 : x
  2. Step 2: Convert to fraction form
    30,120.24/41,585.43 = 19,369.95/x
  3. Step 3: Cross multiply
    30,120.24x = 41,585.43 × 19,369.95
  4. Step 4: Simplify right side
    30,120.24x = 805,507,699.83
  5. Step 5: Solve for x
    x = 805,507,699.83/30,120.24
  6. Step 6: Final answer
    x = 26,743.07

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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.