Home / 44,436.40-66,630.30-18,111.40

Finding the Fourth Proportional to 44,436.40, 66,630.30 and 18,111.40

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Solution

The fourth proportional to 44,436.40, 66,630.30 and 18,111.40 is: 27,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,436.40 : 66,630.30 = 18,111.40 : x
  2. Step 2: Convert to fraction form
    44,436.40/66,630.30 = 18,111.40/x
  3. Step 3: Cross multiply
    44,436.40x = 66,630.30 × 18,111.40
  4. Step 4: Simplify right side
    44,436.40x = 1,206,768,015.42
  5. Step 5: Solve for x
    x = 1,206,768,015.42/44,436.40
  6. Step 6: Final answer
    x = 27,157.20

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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.