Home / 46,208.31-69,316.83-12,928.38

Finding the Fourth Proportional to 46,208.31, 69,316.83 and 12,928.38

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Solution

The fourth proportional to 46,208.31, 69,316.83 and 12,928.38 is: 19,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,208.31 : 69,316.83 = 12,928.38 : x
  2. Step 2: Convert to fraction form
    46,208.31/69,316.83 = 12,928.38/x
  3. Step 3: Cross multiply
    46,208.31x = 69,316.83 × 12,928.38
  4. Step 4: Simplify right side
    46,208.31x = 896,154,318.64
  5. Step 5: Solve for x
    x = 896,154,318.64/46,208.31
  6. Step 6: Final answer
    x = 19,393.79

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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.