Home / 53,638.88-74,036-33,483.62

Finding the Fourth Proportional to 53,638.88, 74,036 and 33,483.62

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Solution

The fourth proportional to 53,638.88, 74,036 and 33,483.62 is: 46,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.88 : 74,036 = 33,483.62 : x
  2. Step 2: Convert to fraction form
    53,638.88/74,036 = 33,483.62/x
  3. Step 3: Cross multiply
    53,638.88x = 74,036 × 33,483.62
  4. Step 4: Simplify right side
    53,638.88x = 2,478,993,290.32
  5. Step 5: Solve for x
    x = 2,478,993,290.32/53,638.88
  6. Step 6: Final answer
    x = 46,216.35

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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.