Home / 54,326.21-74,973.32-30,460.56

Finding the Fourth Proportional to 54,326.21, 74,973.32 and 30,460.56

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Solution

The fourth proportional to 54,326.21, 74,973.32 and 30,460.56 is: 42,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.21 : 74,973.32 = 30,460.56 : x
  2. Step 2: Convert to fraction form
    54,326.21/74,973.32 = 30,460.56/x
  3. Step 3: Cross multiply
    54,326.21x = 74,973.32 × 30,460.56
  4. Step 4: Simplify right side
    54,326.21x = 2,283,729,159.96
  5. Step 5: Solve for x
    x = 2,283,729,159.96/54,326.21
  6. Step 6: Final answer
    x = 42,037.34

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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.