Home / 66,559.20-99,879.84-31,014.24

Finding the Fourth Proportional to 66,559.20, 99,879.84 and 31,014.24

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Solution

The fourth proportional to 66,559.20, 99,879.84 and 31,014.24 is: 46,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559.20 : 99,879.84 = 31,014.24 : x
  2. Step 2: Convert to fraction form
    66,559.20/99,879.84 = 31,014.24/x
  3. Step 3: Cross multiply
    66,559.20x = 99,879.84 × 31,014.24
  4. Step 4: Simplify right side
    66,559.20x = 3,097,697,328.92
  5. Step 5: Solve for x
    x = 3,097,697,328.92/66,559.20
  6. Step 6: Final answer
    x = 46,540.48

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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.