Home / 29,415.42-44,130.56-8,638.92

Finding the Fourth Proportional to 29,415.42, 44,130.56 and 8,638.92

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Solution

The fourth proportional to 29,415.42, 44,130.56 and 8,638.92 is: 12,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.42 : 44,130.56 = 8,638.92 : x
  2. Step 2: Convert to fraction form
    29,415.42/44,130.56 = 8,638.92/x
  3. Step 3: Cross multiply
    29,415.42x = 44,130.56 × 8,638.92
  4. Step 4: Simplify right side
    29,415.42x = 381,240,334.20
  5. Step 5: Solve for x
    x = 381,240,334.20/29,415.42
  6. Step 6: Final answer
    x = 12,960.56

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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.