Home / 43,106.18-64,659.27-11,940.62

Finding the Fourth Proportional to 43,106.18, 64,659.27 and 11,940.62

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Solution

The fourth proportional to 43,106.18, 64,659.27 and 11,940.62 is: 17,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.18 : 64,659.27 = 11,940.62 : x
  2. Step 2: Convert to fraction form
    43,106.18/64,659.27 = 11,940.62/x
  3. Step 3: Cross multiply
    43,106.18x = 64,659.27 × 11,940.62
  4. Step 4: Simplify right side
    43,106.18x = 772,071,772.55
  5. Step 5: Solve for x
    x = 772,071,772.55/43,106.18
  6. Step 6: Final answer
    x = 17,910.93

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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.