Home / 66,367.24-99,563.13-18,980.32

Finding the Fourth Proportional to 66,367.24, 99,563.13 and 18,980.32

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Solution

The fourth proportional to 66,367.24, 99,563.13 and 18,980.32 is: 28,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,367.24 : 99,563.13 = 18,980.32 : x
  2. Step 2: Convert to fraction form
    66,367.24/99,563.13 = 18,980.32/x
  3. Step 3: Cross multiply
    66,367.24x = 99,563.13 × 18,980.32
  4. Step 4: Simplify right side
    66,367.24x = 1,889,740,067.60
  5. Step 5: Solve for x
    x = 1,889,740,067.60/66,367.24
  6. Step 6: Final answer
    x = 28,473.99

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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.