Home / 30,089.75-41,525.30-18,152.84

Finding the Fourth Proportional to 30,089.75, 41,525.30 and 18,152.84

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Solution

The fourth proportional to 30,089.75, 41,525.30 and 18,152.84 is: 25,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.75 : 41,525.30 = 18,152.84 : x
  2. Step 2: Convert to fraction form
    30,089.75/41,525.30 = 18,152.84/x
  3. Step 3: Cross multiply
    30,089.75x = 41,525.30 × 18,152.84
  4. Step 4: Simplify right side
    30,089.75x = 753,802,139.90
  5. Step 5: Solve for x
    x = 753,802,139.90/30,089.75
  6. Step 6: Final answer
    x = 25,051.79

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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.