Home / 30,775.06-46,168.79-9,718.39

Finding the Fourth Proportional to 30,775.06, 46,168.79 and 9,718.39

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Solution

The fourth proportional to 30,775.06, 46,168.79 and 9,718.39 is: 14,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.06 : 46,168.79 = 9,718.39 : x
  2. Step 2: Convert to fraction form
    30,775.06/46,168.79 = 9,718.39/x
  3. Step 3: Cross multiply
    30,775.06x = 46,168.79 × 9,718.39
  4. Step 4: Simplify right side
    30,775.06x = 448,686,100.50
  5. Step 5: Solve for x
    x = 448,686,100.50/30,775.06
  6. Step 6: Final answer
    x = 14,579.54

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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.