Home / 53,643.36-74,021.52-29,764.32

Finding the Fourth Proportional to 53,643.36, 74,021.52 and 29,764.32

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Solution

The fourth proportional to 53,643.36, 74,021.52 and 29,764.32 is: 41,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.36 : 74,021.52 = 29,764.32 : x
  2. Step 2: Convert to fraction form
    53,643.36/74,021.52 = 29,764.32/x
  3. Step 3: Cross multiply
    53,643.36x = 74,021.52 × 29,764.32
  4. Step 4: Simplify right side
    53,643.36x = 2,203,200,208.17
  5. Step 5: Solve for x
    x = 2,203,200,208.17/53,643.36
  6. Step 6: Final answer
    x = 41,071.26

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1.5x scale

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.