Home / 30,218.23-45,309.02-11,499.54

Finding the Fourth Proportional to 30,218.23, 45,309.02 and 11,499.54

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Solution

The fourth proportional to 30,218.23, 45,309.02 and 11,499.54 is: 17,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.23 : 45,309.02 = 11,499.54 : x
  2. Step 2: Convert to fraction form
    30,218.23/45,309.02 = 11,499.54/x
  3. Step 3: Cross multiply
    30,218.23x = 45,309.02 × 11,499.54
  4. Step 4: Simplify right side
    30,218.23x = 521,032,725.13
  5. Step 5: Solve for x
    x = 521,032,725.13/30,218.23
  6. Step 6: Final answer
    x = 17,242.33

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1.5x scale

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.