Home / 46,440.80-69,661.18-13,161.16

Finding the Fourth Proportional to 46,440.80, 69,661.18 and 13,161.16

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Solution

The fourth proportional to 46,440.80, 69,661.18 and 13,161.16 is: 19,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,440.80 : 69,661.18 = 13,161.16 : x
  2. Step 2: Convert to fraction form
    46,440.80/69,661.18 = 13,161.16/x
  3. Step 3: Cross multiply
    46,440.80x = 69,661.18 × 13,161.16
  4. Step 4: Simplify right side
    46,440.80x = 916,821,935.77
  5. Step 5: Solve for x
    x = 916,821,935.77/46,440.80
  6. Step 6: Final answer
    x = 19,741.73

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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.