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Finding the Fourth Proportional to 54,703.40, 82,055.10 and 13,150.40

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Solution

The fourth proportional to 54,703.40, 82,055.10 and 13,150.40 is: 19,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,703.40 : 82,055.10 = 13,150.40 : x
  2. Step 2: Convert to fraction form
    54,703.40/82,055.10 = 13,150.40/x
  3. Step 3: Cross multiply
    54,703.40x = 82,055.10 × 13,150.40
  4. Step 4: Simplify right side
    54,703.40x = 1,079,057,387.04
  5. Step 5: Solve for x
    x = 1,079,057,387.04/54,703.40
  6. Step 6: Final answer
    x = 19,725.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.