Home / 30,159.95-41,614.66-18,223.94

Finding the Fourth Proportional to 30,159.95, 41,614.66 and 18,223.94

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Solution

The fourth proportional to 30,159.95, 41,614.66 and 18,223.94 is: 25,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.95 : 41,614.66 = 18,223.94 : x
  2. Step 2: Convert to fraction form
    30,159.95/41,614.66 = 18,223.94/x
  3. Step 3: Cross multiply
    30,159.95x = 41,614.66 × 18,223.94
  4. Step 4: Simplify right side
    30,159.95x = 758,382,959.69
  5. Step 5: Solve for x
    x = 758,382,959.69/30,159.95
  6. Step 6: Final answer
    x = 25,145.37

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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.