Home / 46,328.78-69,439.43-21,316.32

Finding the Fourth Proportional to 46,328.78, 69,439.43 and 21,316.32

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Solution

The fourth proportional to 46,328.78, 69,439.43 and 21,316.32 is: 31,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,328.78 : 69,439.43 = 21,316.32 : x
  2. Step 2: Convert to fraction form
    46,328.78/69,439.43 = 21,316.32/x
  3. Step 3: Cross multiply
    46,328.78x = 69,439.43 × 21,316.32
  4. Step 4: Simplify right side
    46,328.78x = 1,480,193,163.79
  5. Step 5: Solve for x
    x = 1,480,193,163.79/46,328.78
  6. Step 6: Final answer
    x = 31,949.75

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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.