Home / 45,009.27-67,506.21-18,706.95

Finding the Fourth Proportional to 45,009.27, 67,506.21 and 18,706.95

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Solution

The fourth proportional to 45,009.27, 67,506.21 and 18,706.95 is: 28,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.27 : 67,506.21 = 18,706.95 : x
  2. Step 2: Convert to fraction form
    45,009.27/67,506.21 = 18,706.95/x
  3. Step 3: Cross multiply
    45,009.27x = 67,506.21 × 18,706.95
  4. Step 4: Simplify right side
    45,009.27x = 1,262,835,295.16
  5. Step 5: Solve for x
    x = 1,262,835,295.16/45,009.27
  6. Step 6: Final answer
    x = 28,057.23

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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.