Home / 46,917.12-70,376.16-11,856.80

Finding the Fourth Proportional to 46,917.12, 70,376.16 and 11,856.80

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Solution

The fourth proportional to 46,917.12, 70,376.16 and 11,856.80 is: 17,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,917.12 : 70,376.16 = 11,856.80 : x
  2. Step 2: Convert to fraction form
    46,917.12/70,376.16 = 11,856.80/x
  3. Step 3: Cross multiply
    46,917.12x = 70,376.16 × 11,856.80
  4. Step 4: Simplify right side
    46,917.12x = 834,436,053.89
  5. Step 5: Solve for x
    x = 834,436,053.89/46,917.12
  6. Step 6: Final answer
    x = 17,785.32

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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.