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Finding the Fourth Proportional to 43,267.30, 60,661.70 and 43,267.30

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Solution

The fourth proportional to 43,267.30, 60,661.70 and 43,267.30 is: 60,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.30 : 60,661.70 = 43,267.30 : x
  2. Step 2: Convert to fraction form
    43,267.30/60,661.70 = 43,267.30/x
  3. Step 3: Cross multiply
    43,267.30x = 60,661.70 × 43,267.30
  4. Step 4: Simplify right side
    43,267.30x = 2,624,667,972.41
  5. Step 5: Solve for x
    x = 2,624,667,972.41/43,267.30
  6. Step 6: Final answer
    x = 60,661.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.