Home / 40,766.37-61,145.46-11,187.18

Finding the Fourth Proportional to 40,766.37, 61,145.46 and 11,187.18

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Solution

The fourth proportional to 40,766.37, 61,145.46 and 11,187.18 is: 16,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,766.37 : 61,145.46 = 11,187.18 : x
  2. Step 2: Convert to fraction form
    40,766.37/61,145.46 = 11,187.18/x
  3. Step 3: Cross multiply
    40,766.37x = 61,145.46 × 11,187.18
  4. Step 4: Simplify right side
    40,766.37x = 684,045,267.20
  5. Step 5: Solve for x
    x = 684,045,267.20/40,766.37
  6. Step 6: Final answer
    x = 16,779.65

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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.