Home / 40,440.20-60,660.30-26,443.40

Finding the Fourth Proportional to 40,440.20, 60,660.30 and 26,443.40

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Solution

The fourth proportional to 40,440.20, 60,660.30 and 26,443.40 is: 39,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440.20 : 60,660.30 = 26,443.40 : x
  2. Step 2: Convert to fraction form
    40,440.20/60,660.30 = 26,443.40/x
  3. Step 3: Cross multiply
    40,440.20x = 60,660.30 × 26,443.40
  4. Step 4: Simplify right side
    40,440.20x = 1,604,064,577.02
  5. Step 5: Solve for x
    x = 1,604,064,577.02/40,440.20
  6. Step 6: Final answer
    x = 39,665.10

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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.