Home / 54,739.12-75,428.40-37,748.56

Finding the Fourth Proportional to 54,739.12, 75,428.40 and 37,748.56

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Solution

The fourth proportional to 54,739.12, 75,428.40 and 37,748.56 is: 52,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.12 : 75,428.40 = 37,748.56 : x
  2. Step 2: Convert to fraction form
    54,739.12/75,428.40 = 37,748.56/x
  3. Step 3: Cross multiply
    54,739.12x = 75,428.40 × 37,748.56
  4. Step 4: Simplify right side
    54,739.12x = 2,847,313,483.10
  5. Step 5: Solve for x
    x = 2,847,313,483.10/54,739.12
  6. Step 6: Final answer
    x = 52,016.06

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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.