Home / 43,698.63-65,397.36-26,820.45

Finding the Fourth Proportional to 43,698.63, 65,397.36 and 26,820.45

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Solution

The fourth proportional to 43,698.63, 65,397.36 and 26,820.45 is: 40,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,698.63 : 65,397.36 = 26,820.45 : x
  2. Step 2: Convert to fraction form
    43,698.63/65,397.36 = 26,820.45/x
  3. Step 3: Cross multiply
    43,698.63x = 65,397.36 × 26,820.45
  4. Step 4: Simplify right side
    43,698.63x = 1,753,986,624.01
  5. Step 5: Solve for x
    x = 1,753,986,624.01/43,698.63
  6. Step 6: Final answer
    x = 40,138.25

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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.