Home / 30,913.36-46,378.70-10,151.44

Finding the Fourth Proportional to 30,913.36, 46,378.70 and 10,151.44

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Solution

The fourth proportional to 30,913.36, 46,378.70 and 10,151.44 is: 15,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,913.36 : 46,378.70 = 10,151.44 : x
  2. Step 2: Convert to fraction form
    30,913.36/46,378.70 = 10,151.44/x
  3. Step 3: Cross multiply
    30,913.36x = 46,378.70 × 10,151.44
  4. Step 4: Simplify right side
    30,913.36x = 470,810,590.33
  5. Step 5: Solve for x
    x = 470,810,590.33/30,913.36
  6. Step 6: Final answer
    x = 15,230.00

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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.