Home / 30,270.68-41,774.02-16,842.09

Finding the Fourth Proportional to 30,270.68, 41,774.02 and 16,842.09

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Solution

The fourth proportional to 30,270.68, 41,774.02 and 16,842.09 is: 23,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.68 : 41,774.02 = 16,842.09 : x
  2. Step 2: Convert to fraction form
    30,270.68/41,774.02 = 16,842.09/x
  3. Step 3: Cross multiply
    30,270.68x = 41,774.02 × 16,842.09
  4. Step 4: Simplify right side
    30,270.68x = 703,561,804.50
  5. Step 5: Solve for x
    x = 703,561,804.50/30,270.68
  6. Step 6: Final answer
    x = 23,242.35

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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.