Home / 30,071.75-41,499.62-16,642.66

Finding the Fourth Proportional to 30,071.75, 41,499.62 and 16,642.66

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Solution

The fourth proportional to 30,071.75, 41,499.62 and 16,642.66 is: 22,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.75 : 41,499.62 = 16,642.66 : x
  2. Step 2: Convert to fraction form
    30,071.75/41,499.62 = 16,642.66/x
  3. Step 3: Cross multiply
    30,071.75x = 41,499.62 × 16,642.66
  4. Step 4: Simplify right side
    30,071.75x = 690,664,065.79
  5. Step 5: Solve for x
    x = 690,664,065.79/30,071.75
  6. Step 6: Final answer
    x = 22,967.21

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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.