Home / 30,148.00-41,601.49-16,719.21

Finding the Fourth Proportional to 30,148.00, 41,601.49 and 16,719.21

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Solution

The fourth proportional to 30,148.00, 41,601.49 and 16,719.21 is: 23,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.00 : 41,601.49 = 16,719.21 : x
  2. Step 2: Convert to fraction form
    30,148.00/41,601.49 = 16,719.21/x
  3. Step 3: Cross multiply
    30,148.00x = 41,601.49 × 16,719.21
  4. Step 4: Simplify right side
    30,148.00x = 695,544,052.85
  5. Step 5: Solve for x
    x = 695,544,052.85/30,148.00
  6. Step 6: Final answer
    x = 23,070.99

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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.