Home / 46,455.22-69,693.16-18,378.09

Finding the Fourth Proportional to 46,455.22, 69,693.16 and 18,378.09

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Solution

The fourth proportional to 46,455.22, 69,693.16 and 18,378.09 is: 27,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,455.22 : 69,693.16 = 18,378.09 : x
  2. Step 2: Convert to fraction form
    46,455.22/69,693.16 = 18,378.09/x
  3. Step 3: Cross multiply
    46,455.22x = 69,693.16 × 18,378.09
  4. Step 4: Simplify right side
    46,455.22x = 1,280,827,155.38
  5. Step 5: Solve for x
    x = 1,280,827,155.38/46,455.22
  6. Step 6: Final answer
    x = 27,571.22

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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.