Home / 29,261.72-43,891.86-8,485.40

Finding the Fourth Proportional to 29,261.72, 43,891.86 and 8,485.40

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Solution

The fourth proportional to 29,261.72, 43,891.86 and 8,485.40 is: 12,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.72 : 43,891.86 = 8,485.40 : x
  2. Step 2: Convert to fraction form
    29,261.72/43,891.86 = 8,485.40/x
  3. Step 3: Cross multiply
    29,261.72x = 43,891.86 × 8,485.40
  4. Step 4: Simplify right side
    29,261.72x = 372,439,988.84
  5. Step 5: Solve for x
    x = 372,439,988.84/29,261.72
  6. Step 6: Final answer
    x = 12,727.89

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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.