Home / 39,510.32-54,522.32-22,518.56

Finding the Fourth Proportional to 39,510.32, 54,522.32 and 22,518.56

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Solution

The fourth proportional to 39,510.32, 54,522.32 and 22,518.56 is: 31,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.32 : 54,522.32 = 22,518.56 : x
  2. Step 2: Convert to fraction form
    39,510.32/54,522.32 = 22,518.56/x
  3. Step 3: Cross multiply
    39,510.32x = 54,522.32 × 22,518.56
  4. Step 4: Simplify right side
    39,510.32x = 1,227,764,134.26
  5. Step 5: Solve for x
    x = 1,227,764,134.26/39,510.32
  6. Step 6: Final answer
    x = 31,074.52

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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.