Home / 46,719.36-64,477.44-28,817.28

Finding the Fourth Proportional to 46,719.36, 64,477.44 and 28,817.28

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Solution

The fourth proportional to 46,719.36, 64,477.44 and 28,817.28 is: 39,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,719.36 : 64,477.44 = 28,817.28 : x
  2. Step 2: Convert to fraction form
    46,719.36/64,477.44 = 28,817.28/x
  3. Step 3: Cross multiply
    46,719.36x = 64,477.44 × 28,817.28
  4. Step 4: Simplify right side
    46,719.36x = 1,858,064,442.16
  5. Step 5: Solve for x
    x = 1,858,064,442.16/46,719.36
  6. Step 6: Final answer
    x = 39,770.76

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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.