Home / 45,140.26-67,710.22-13,550.18

Finding the Fourth Proportional to 45,140.26, 67,710.22 and 13,550.18

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Solution

The fourth proportional to 45,140.26, 67,710.22 and 13,550.18 is: 20,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,140.26 : 67,710.22 = 13,550.18 : x
  2. Step 2: Convert to fraction form
    45,140.26/67,710.22 = 13,550.18/x
  3. Step 3: Cross multiply
    45,140.26x = 67,710.22 × 13,550.18
  4. Step 4: Simplify right side
    45,140.26x = 917,485,668.84
  5. Step 5: Solve for x
    x = 917,485,668.84/45,140.26
  6. Step 6: Final answer
    x = 20,325.22

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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.