Home / 66,808.04-100,221.27-22,447.47

Finding the Fourth Proportional to 66,808.04, 100,221.27 and 22,447.47

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Solution

The fourth proportional to 66,808.04, 100,221.27 and 22,447.47 is: 33,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,808.04 : 100,221.27 = 22,447.47 : x
  2. Step 2: Convert to fraction form
    66,808.04/100,221.27 = 22,447.47/x
  3. Step 3: Cross multiply
    66,808.04x = 100,221.27 × 22,447.47
  4. Step 4: Simplify right side
    66,808.04x = 2,249,713,951.69
  5. Step 5: Solve for x
    x = 2,249,713,951.69/66,808.04
  6. Step 6: Final answer
    x = 33,674.30

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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.