Home / 44,427.40-66,616.80-18,102.40

Finding the Fourth Proportional to 44,427.40, 66,616.80 and 18,102.40

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Solution

The fourth proportional to 44,427.40, 66,616.80 and 18,102.40 is: 27,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,427.40 : 66,616.80 = 18,102.40 : x
  2. Step 2: Convert to fraction form
    44,427.40/66,616.80 = 18,102.40/x
  3. Step 3: Cross multiply
    44,427.40x = 66,616.80 × 18,102.40
  4. Step 4: Simplify right side
    44,427.40x = 1,205,923,960.32
  5. Step 5: Solve for x
    x = 1,205,923,960.32/44,427.40
  6. Step 6: Final answer
    x = 27,143.70

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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.