Home / 30,840.24-42,559.88-18,093.65

Finding the Fourth Proportional to 30,840.24, 42,559.88 and 18,093.65

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Solution

The fourth proportional to 30,840.24, 42,559.88 and 18,093.65 is: 24,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.24 : 42,559.88 = 18,093.65 : x
  2. Step 2: Convert to fraction form
    30,840.24/42,559.88 = 18,093.65/x
  3. Step 3: Cross multiply
    30,840.24x = 42,559.88 × 18,093.65
  4. Step 4: Simplify right side
    30,840.24x = 770,063,572.76
  5. Step 5: Solve for x
    x = 770,063,572.76/30,840.24
  6. Step 6: Final answer
    x = 24,969.44

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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.