Home / 62,636.04-93,969.41-20,518.38

Finding the Fourth Proportional to 62,636.04, 93,969.41 and 20,518.38

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Solution

The fourth proportional to 62,636.04, 93,969.41 and 20,518.38 is: 30,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,636.04 : 93,969.41 = 20,518.38 : x
  2. Step 2: Convert to fraction form
    62,636.04/93,969.41 = 20,518.38/x
  3. Step 3: Cross multiply
    62,636.04x = 93,969.41 × 20,518.38
  4. Step 4: Simplify right side
    62,636.04x = 1,928,099,960.16
  5. Step 5: Solve for x
    x = 1,928,099,960.16/62,636.04
  6. Step 6: Final answer
    x = 30,782.60

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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.