Home / 30,213.56-41,686.08-18,268.24

Finding the Fourth Proportional to 30,213.56, 41,686.08 and 18,268.24

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Solution

The fourth proportional to 30,213.56, 41,686.08 and 18,268.24 is: 25,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.56 : 41,686.08 = 18,268.24 : x
  2. Step 2: Convert to fraction form
    30,213.56/41,686.08 = 18,268.24/x
  3. Step 3: Cross multiply
    30,213.56x = 41,686.08 × 18,268.24
  4. Step 4: Simplify right side
    30,213.56x = 761,531,314.10
  5. Step 5: Solve for x
    x = 761,531,314.10/30,213.56
  6. Step 6: Final answer
    x = 25,204.95

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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.