Home / 30,686.87-46,073.41-15,704.71

Finding the Fourth Proportional to 30,686.87, 46,073.41 and 15,704.71

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Solution

The fourth proportional to 30,686.87, 46,073.41 and 15,704.71 is: 23,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,686.87 : 46,073.41 = 15,704.71 : x
  2. Step 2: Convert to fraction form
    30,686.87/46,073.41 = 15,704.71/x
  3. Step 3: Cross multiply
    30,686.87x = 46,073.41 × 15,704.71
  4. Step 4: Simplify right side
    30,686.87x = 723,569,388.32
  5. Step 5: Solve for x
    x = 723,569,388.32/30,686.87
  6. Step 6: Final answer
    x = 23,579.12

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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.