Home / 53,954.20-74,445.48-30,080.36

Finding the Fourth Proportional to 53,954.20, 74,445.48 and 30,080.36

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Solution

The fourth proportional to 53,954.20, 74,445.48 and 30,080.36 is: 41,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,954.20 : 74,445.48 = 30,080.36 : x
  2. Step 2: Convert to fraction form
    53,954.20/74,445.48 = 30,080.36/x
  3. Step 3: Cross multiply
    53,954.20x = 74,445.48 × 30,080.36
  4. Step 4: Simplify right side
    53,954.20x = 2,239,347,024.89
  5. Step 5: Solve for x
    x = 2,239,347,024.89/53,954.20
  6. Step 6: Final answer
    x = 41,504.59

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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.