Home / 31,068.24-46,618.74-13,539.43

Finding the Fourth Proportional to 31,068.24, 46,618.74 and 13,539.43

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Solution

The fourth proportional to 31,068.24, 46,618.74 and 13,539.43 is: 20,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068.24 : 46,618.74 = 13,539.43 : x
  2. Step 2: Convert to fraction form
    31,068.24/46,618.74 = 13,539.43/x
  3. Step 3: Cross multiply
    31,068.24x = 46,618.74 × 13,539.43
  4. Step 4: Simplify right side
    31,068.24x = 631,191,166.92
  5. Step 5: Solve for x
    x = 631,191,166.92/31,068.24
  6. Step 6: Final answer
    x = 20,316.28

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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.