Home / 55,441.50-76,509.27-30,291.18

Finding the Fourth Proportional to 55,441.50, 76,509.27 and 30,291.18

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Solution

The fourth proportional to 55,441.50, 76,509.27 and 30,291.18 is: 41,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.50 : 76,509.27 = 30,291.18 : x
  2. Step 2: Convert to fraction form
    55,441.50/76,509.27 = 30,291.18/x
  3. Step 3: Cross multiply
    55,441.50x = 76,509.27 × 30,291.18
  4. Step 4: Simplify right side
    55,441.50x = 2,317,556,069.24
  5. Step 5: Solve for x
    x = 2,317,556,069.24/55,441.50
  6. Step 6: Final answer
    x = 41,801.83

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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.