Home / 29,035.52-43,534.56-12,406.40

Finding the Fourth Proportional to 29,035.52, 43,534.56 and 12,406.40

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Solution

The fourth proportional to 29,035.52, 43,534.56 and 12,406.40 is: 18,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035.52 : 43,534.56 = 12,406.40 : x
  2. Step 2: Convert to fraction form
    29,035.52/43,534.56 = 12,406.40/x
  3. Step 3: Cross multiply
    29,035.52x = 43,534.56 × 12,406.40
  4. Step 4: Simplify right side
    29,035.52x = 540,107,165.18
  5. Step 5: Solve for x
    x = 540,107,165.18/29,035.52
  6. Step 6: Final answer
    x = 18,601.60

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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.