Home / 30,118.67-41,564.01-16,690.15

Finding the Fourth Proportional to 30,118.67, 41,564.01 and 16,690.15

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Solution

The fourth proportional to 30,118.67, 41,564.01 and 16,690.15 is: 23,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.67 : 41,564.01 = 16,690.15 : x
  2. Step 2: Convert to fraction form
    30,118.67/41,564.01 = 16,690.15/x
  3. Step 3: Cross multiply
    30,118.67x = 41,564.01 × 16,690.15
  4. Step 4: Simplify right side
    30,118.67x = 693,709,358.80
  5. Step 5: Solve for x
    x = 693,709,358.80/30,118.67
  6. Step 6: Final answer
    x = 23,032.54

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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.