Home / 45,210.26-67,818.20-11,930.36

Finding the Fourth Proportional to 45,210.26, 67,818.20 and 11,930.36

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Solution

The fourth proportional to 45,210.26, 67,818.20 and 11,930.36 is: 17,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,210.26 : 67,818.20 = 11,930.36 : x
  2. Step 2: Convert to fraction form
    45,210.26/67,818.20 = 11,930.36/x
  3. Step 3: Cross multiply
    45,210.26x = 67,818.20 × 11,930.36
  4. Step 4: Simplify right side
    45,210.26x = 809,095,141.81
  5. Step 5: Solve for x
    x = 809,095,141.81/45,210.26
  6. Step 6: Final answer
    x = 17,896.27

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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.