Home / 43,354.91-65,032.35-12,190.16

Finding the Fourth Proportional to 43,354.91, 65,032.35 and 12,190.16

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Solution

The fourth proportional to 43,354.91, 65,032.35 and 12,190.16 is: 18,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.91 : 65,032.35 = 12,190.16 : x
  2. Step 2: Convert to fraction form
    43,354.91/65,032.35 = 12,190.16/x
  3. Step 3: Cross multiply
    43,354.91x = 65,032.35 × 12,190.16
  4. Step 4: Simplify right side
    43,354.91x = 792,754,751.68
  5. Step 5: Solve for x
    x = 792,754,751.68/43,354.91
  6. Step 6: Final answer
    x = 18,285.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.