Home / 44,443.20-66,610.80-19,430.40

Finding the Fourth Proportional to 44,443.20, 66,610.80 and 19,430.40

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Solution

The fourth proportional to 44,443.20, 66,610.80 and 19,430.40 is: 29,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,443.20 : 66,610.80 = 19,430.40 : x
  2. Step 2: Convert to fraction form
    44,443.20/66,610.80 = 19,430.40/x
  3. Step 3: Cross multiply
    44,443.20x = 66,610.80 × 19,430.40
  4. Step 4: Simplify right side
    44,443.20x = 1,294,274,488.32
  5. Step 5: Solve for x
    x = 1,294,274,488.32/44,443.20
  6. Step 6: Final answer
    x = 29,121.99

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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.