Home / 46,420.59-69,653.90-18,360.78

Finding the Fourth Proportional to 46,420.59, 69,653.90 and 18,360.78

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Solution

The fourth proportional to 46,420.59, 69,653.90 and 18,360.78 is: 27,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,420.59 : 69,653.90 = 18,360.78 : x
  2. Step 2: Convert to fraction form
    46,420.59/69,653.90 = 18,360.78/x
  3. Step 3: Cross multiply
    46,420.59x = 69,653.90 × 18,360.78
  4. Step 4: Simplify right side
    46,420.59x = 1,278,899,934.04
  5. Step 5: Solve for x
    x = 1,278,899,934.04/46,420.59
  6. Step 6: Final answer
    x = 27,550.27

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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.