Home / 30,268.18-45,400.42-14,484.43

Finding the Fourth Proportional to 30,268.18, 45,400.42 and 14,484.43

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Solution

The fourth proportional to 30,268.18, 45,400.42 and 14,484.43 is: 21,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.18 : 45,400.42 = 14,484.43 : x
  2. Step 2: Convert to fraction form
    30,268.18/45,400.42 = 14,484.43/x
  3. Step 3: Cross multiply
    30,268.18x = 45,400.42 × 14,484.43
  4. Step 4: Simplify right side
    30,268.18x = 657,599,205.46
  5. Step 5: Solve for x
    x = 657,599,205.46/30,268.18
  6. Step 6: Final answer
    x = 21,725.76

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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.