Home / 40,050.62-55,265-22,143.18

Finding the Fourth Proportional to 40,050.62, 55,265 and 22,143.18

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Solution

The fourth proportional to 40,050.62, 55,265 and 22,143.18 is: 30,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,050.62 : 55,265 = 22,143.18 : x
  2. Step 2: Convert to fraction form
    40,050.62/55,265 = 22,143.18/x
  3. Step 3: Cross multiply
    40,050.62x = 55,265 × 22,143.18
  4. Step 4: Simplify right side
    40,050.62x = 1,223,742,842.70
  5. Step 5: Solve for x
    x = 1,223,742,842.70/40,050.62
  6. Step 6: Final answer
    x = 30,554.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.