Home / 30,071.74-41,499.08-16,643.92

Finding the Fourth Proportional to 30,071.74, 41,499.08 and 16,643.92

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Solution

The fourth proportional to 30,071.74, 41,499.08 and 16,643.92 is: 22,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.74 : 41,499.08 = 16,643.92 : x
  2. Step 2: Convert to fraction form
    30,071.74/41,499.08 = 16,643.92/x
  3. Step 3: Cross multiply
    30,071.74x = 41,499.08 × 16,643.92
  4. Step 4: Simplify right side
    30,071.74x = 690,707,367.59
  5. Step 5: Solve for x
    x = 690,707,367.59/30,071.74
  6. Step 6: Final answer
    x = 22,968.65

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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.