Home / 43,126.64-64,638.12-23,404.40

Finding the Fourth Proportional to 43,126.64, 64,638.12 and 23,404.40

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Solution

The fourth proportional to 43,126.64, 64,638.12 and 23,404.40 is: 35,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.64 : 64,638.12 = 23,404.40 : x
  2. Step 2: Convert to fraction form
    43,126.64/64,638.12 = 23,404.40/x
  3. Step 3: Cross multiply
    43,126.64x = 64,638.12 × 23,404.40
  4. Step 4: Simplify right side
    43,126.64x = 1,512,816,415.73
  5. Step 5: Solve for x
    x = 1,512,816,415.73/43,126.64
  6. Step 6: Final answer
    x = 35,078.47

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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.