Home / 54,326.30-74,968.86-30,454.52

Finding the Fourth Proportional to 54,326.30, 74,968.86 and 30,454.52

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Solution

The fourth proportional to 54,326.30, 74,968.86 and 30,454.52 is: 42,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.30 : 74,968.86 = 30,454.52 : x
  2. Step 2: Convert to fraction form
    54,326.30/74,968.86 = 30,454.52/x
  3. Step 3: Cross multiply
    54,326.30x = 74,968.86 × 30,454.52
  4. Step 4: Simplify right side
    54,326.30x = 2,283,140,646.25
  5. Step 5: Solve for x
    x = 2,283,140,646.25/54,326.30
  6. Step 6: Final answer
    x = 42,026.43

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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.