Home / 54,147.66-74,726.10-30,274.34

Finding the Fourth Proportional to 54,147.66, 74,726.10 and 30,274.34

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Solution

The fourth proportional to 54,147.66, 74,726.10 and 30,274.34 is: 41,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,147.66 : 74,726.10 = 30,274.34 : x
  2. Step 2: Convert to fraction form
    54,147.66/74,726.10 = 30,274.34/x
  3. Step 3: Cross multiply
    54,147.66x = 74,726.10 × 30,274.34
  4. Step 4: Simplify right side
    54,147.66x = 2,262,282,984.64
  5. Step 5: Solve for x
    x = 2,262,282,984.64/54,147.66
  6. Step 6: Final answer
    x = 41,779.88

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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.