Home / 30,219.27-41,699.98-16,790.28

Finding the Fourth Proportional to 30,219.27, 41,699.98 and 16,790.28

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Solution

The fourth proportional to 30,219.27, 41,699.98 and 16,790.28 is: 23,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.27 : 41,699.98 = 16,790.28 : x
  2. Step 2: Convert to fraction form
    30,219.27/41,699.98 = 16,790.28/x
  3. Step 3: Cross multiply
    30,219.27x = 41,699.98 × 16,790.28
  4. Step 4: Simplify right side
    30,219.27x = 700,154,340.19
  5. Step 5: Solve for x
    x = 700,154,340.19/30,219.27
  6. Step 6: Final answer
    x = 23,169.13

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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.