Home / 30,259.65-41,758.76-18,324.10

Finding the Fourth Proportional to 30,259.65, 41,758.76 and 18,324.10

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Solution

The fourth proportional to 30,259.65, 41,758.76 and 18,324.10 is: 25,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.65 : 41,758.76 = 18,324.10 : x
  2. Step 2: Convert to fraction form
    30,259.65/41,758.76 = 18,324.10/x
  3. Step 3: Cross multiply
    30,259.65x = 41,758.76 × 18,324.10
  4. Step 4: Simplify right side
    30,259.65x = 765,191,694.12
  5. Step 5: Solve for x
    x = 765,191,694.12/30,259.65
  6. Step 6: Final answer
    x = 25,287.53

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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.