Home / 53,928.99-74,419.36-30,051.20

Finding the Fourth Proportional to 53,928.99, 74,419.36 and 30,051.20

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Solution

The fourth proportional to 53,928.99, 74,419.36 and 30,051.20 is: 41,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,928.99 : 74,419.36 = 30,051.20 : x
  2. Step 2: Convert to fraction form
    53,928.99/74,419.36 = 30,051.20/x
  3. Step 3: Cross multiply
    53,928.99x = 74,419.36 × 30,051.20
  4. Step 4: Simplify right side
    53,928.99x = 2,236,391,182.15
  5. Step 5: Solve for x
    x = 2,236,391,182.15/53,928.99
  6. Step 6: Final answer
    x = 41,469.18

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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.