Home / 54,171.30-74,760.21-30,300.20

Finding the Fourth Proportional to 54,171.30, 74,760.21 and 30,300.20

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Solution

The fourth proportional to 54,171.30, 74,760.21 and 30,300.20 is: 41,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.30 : 74,760.21 = 30,300.20 : x
  2. Step 2: Convert to fraction form
    54,171.30/74,760.21 = 30,300.20/x
  3. Step 3: Cross multiply
    54,171.30x = 74,760.21 × 30,300.20
  4. Step 4: Simplify right side
    54,171.30x = 2,265,248,941.24
  5. Step 5: Solve for x
    x = 2,265,248,941.24/54,171.30
  6. Step 6: Final answer
    x = 41,816.40

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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.