Home / 46,738.36-70,107.72-11,678.05

Finding the Fourth Proportional to 46,738.36, 70,107.72 and 11,678.05

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Solution

The fourth proportional to 46,738.36, 70,107.72 and 11,678.05 is: 17,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,738.36 : 70,107.72 = 11,678.05 : x
  2. Step 2: Convert to fraction form
    46,738.36/70,107.72 = 11,678.05/x
  3. Step 3: Cross multiply
    46,738.36x = 70,107.72 × 11,678.05
  4. Step 4: Simplify right side
    46,738.36x = 818,721,459.55
  5. Step 5: Solve for x
    x = 818,721,459.55/46,738.36
  6. Step 6: Final answer
    x = 17,517.12

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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.