Home / 44,135.25-66,202.88-12,970.50

Finding the Fourth Proportional to 44,135.25, 66,202.88 and 12,970.50

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Solution

The fourth proportional to 44,135.25, 66,202.88 and 12,970.50 is: 19,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,135.25 : 66,202.88 = 12,970.50 : x
  2. Step 2: Convert to fraction form
    44,135.25/66,202.88 = 12,970.50/x
  3. Step 3: Cross multiply
    44,135.25x = 66,202.88 × 12,970.50
  4. Step 4: Simplify right side
    44,135.25x = 858,684,390.19
  5. Step 5: Solve for x
    x = 858,684,390.19/44,135.25
  6. Step 6: Final answer
    x = 19,455.75

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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.