Home / 30,916.53-46,333.78-16,840.45

Finding the Fourth Proportional to 30,916.53, 46,333.78 and 16,840.45

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Solution

The fourth proportional to 30,916.53, 46,333.78 and 16,840.45 is: 25,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.53 : 46,333.78 = 16,840.45 : x
  2. Step 2: Convert to fraction form
    30,916.53/46,333.78 = 16,840.45/x
  3. Step 3: Cross multiply
    30,916.53x = 46,333.78 × 16,840.45
  4. Step 4: Simplify right side
    30,916.53x = 780,281,705.40
  5. Step 5: Solve for x
    x = 780,281,705.40/30,916.53
  6. Step 6: Final answer
    x = 25,238.33

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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.