Home / 43,792.65-65,686.55-20,435.49

Finding the Fourth Proportional to 43,792.65, 65,686.55 and 20,435.49

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Solution

The fourth proportional to 43,792.65, 65,686.55 and 20,435.49 is: 30,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,792.65 : 65,686.55 = 20,435.49 : x
  2. Step 2: Convert to fraction form
    43,792.65/65,686.55 = 20,435.49/x
  3. Step 3: Cross multiply
    43,792.65x = 65,686.55 × 20,435.49
  4. Step 4: Simplify right side
    43,792.65x = 1,342,336,733.48
  5. Step 5: Solve for x
    x = 1,342,336,733.48/43,792.65
  6. Step 6: Final answer
    x = 30,652.10

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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.