Home / 66,209.40-99,227.70-30,666.60

Finding the Fourth Proportional to 66,209.40, 99,227.70 and 30,666.60

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Solution

The fourth proportional to 66,209.40, 99,227.70 and 30,666.60 is: 45,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.40 : 99,227.70 = 30,666.60 : x
  2. Step 2: Convert to fraction form
    66,209.40/99,227.70 = 30,666.60/x
  3. Step 3: Cross multiply
    66,209.40x = 99,227.70 × 30,666.60
  4. Step 4: Simplify right side
    66,209.40x = 3,042,976,184.82
  5. Step 5: Solve for x
    x = 3,042,976,184.82/66,209.40
  6. Step 6: Final answer
    x = 45,959.88

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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.