Home / 30,928.81-46,362.06-12,222.10

Finding the Fourth Proportional to 30,928.81, 46,362.06 and 12,222.10

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Solution

The fourth proportional to 30,928.81, 46,362.06 and 12,222.10 is: 18,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.81 : 46,362.06 = 12,222.10 : x
  2. Step 2: Convert to fraction form
    30,928.81/46,362.06 = 12,222.10/x
  3. Step 3: Cross multiply
    30,928.81x = 46,362.06 × 12,222.10
  4. Step 4: Simplify right side
    30,928.81x = 566,641,733.53
  5. Step 5: Solve for x
    x = 566,641,733.53/30,928.81
  6. Step 6: Final answer
    x = 18,320.84

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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.