Home / 46,619.40-64,358.16-29,640.72

Finding the Fourth Proportional to 46,619.40, 64,358.16 and 29,640.72

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Solution

The fourth proportional to 46,619.40, 64,358.16 and 29,640.72 is: 40,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,619.40 : 64,358.16 = 29,640.72 : x
  2. Step 2: Convert to fraction form
    46,619.40/64,358.16 = 29,640.72/x
  3. Step 3: Cross multiply
    46,619.40x = 64,358.16 × 29,640.72
  4. Step 4: Simplify right side
    46,619.40x = 1,907,622,200.28
  5. Step 5: Solve for x
    x = 1,907,622,200.28/46,619.40
  6. Step 6: Final answer
    x = 40,919.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.