Home / 29,485.32-40,690.65-16,910.07

Finding the Fourth Proportional to 29,485.32, 40,690.65 and 16,910.07

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Solution

The fourth proportional to 29,485.32, 40,690.65 and 16,910.07 is: 23,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,485.32 : 40,690.65 = 16,910.07 : x
  2. Step 2: Convert to fraction form
    29,485.32/40,690.65 = 16,910.07/x
  3. Step 3: Cross multiply
    29,485.32x = 40,690.65 × 16,910.07
  4. Step 4: Simplify right side
    29,485.32x = 688,081,739.85
  5. Step 5: Solve for x
    x = 688,081,739.85/29,485.32
  6. Step 6: Final answer
    x = 23,336.42

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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.