Home / 30,035.84-41,448.98-18,105.75

Finding the Fourth Proportional to 30,035.84, 41,448.98 and 18,105.75

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Solution

The fourth proportional to 30,035.84, 41,448.98 and 18,105.75 is: 24,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.84 : 41,448.98 = 18,105.75 : x
  2. Step 2: Convert to fraction form
    30,035.84/41,448.98 = 18,105.75/x
  3. Step 3: Cross multiply
    30,035.84x = 41,448.98 × 18,105.75
  4. Step 4: Simplify right side
    30,035.84x = 750,464,914.90
  5. Step 5: Solve for x
    x = 750,464,914.90/30,035.84
  6. Step 6: Final answer
    x = 24,985.65

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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.