Home / 66,959.04-100,453.92-20,212.32

Finding the Fourth Proportional to 66,959.04, 100,453.92 and 20,212.32

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Solution

The fourth proportional to 66,959.04, 100,453.92 and 20,212.32 is: 30,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,959.04 : 100,453.92 = 20,212.32 : x
  2. Step 2: Convert to fraction form
    66,959.04/100,453.92 = 20,212.32/x
  3. Step 3: Cross multiply
    66,959.04x = 100,453.92 × 20,212.32
  4. Step 4: Simplify right side
    66,959.04x = 2,030,406,776.29
  5. Step 5: Solve for x
    x = 2,030,406,776.29/66,959.04
  6. Step 6: Final answer
    x = 30,323.12

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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.