Home / 46,018.56-69,016.44-19,720.32

Finding the Fourth Proportional to 46,018.56, 69,016.44 and 19,720.32

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Solution

The fourth proportional to 46,018.56, 69,016.44 and 19,720.32 is: 29,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,018.56 : 69,016.44 = 19,720.32 : x
  2. Step 2: Convert to fraction form
    46,018.56/69,016.44 = 19,720.32/x
  3. Step 3: Cross multiply
    46,018.56x = 69,016.44 × 19,720.32
  4. Step 4: Simplify right side
    46,018.56x = 1,361,026,282.06
  5. Step 5: Solve for x
    x = 1,361,026,282.06/46,018.56
  6. Step 6: Final answer
    x = 29,575.59

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1.5x scale

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.