Home / 66,016.85-99,037.80-21,646.26

Finding the Fourth Proportional to 66,016.85, 99,037.80 and 21,646.26

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Solution

The fourth proportional to 66,016.85, 99,037.80 and 21,646.26 is: 32,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,016.85 : 99,037.80 = 21,646.26 : x
  2. Step 2: Convert to fraction form
    66,016.85/99,037.80 = 21,646.26/x
  3. Step 3: Cross multiply
    66,016.85x = 99,037.80 × 21,646.26
  4. Step 4: Simplify right side
    66,016.85x = 2,143,797,968.63
  5. Step 5: Solve for x
    x = 2,143,797,968.63/66,016.85
  6. Step 6: Final answer
    x = 32,473.50

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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.