Home / 54,255.81-74,871.30-30,055.80

Finding the Fourth Proportional to 54,255.81, 74,871.30 and 30,055.80

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Solution

The fourth proportional to 54,255.81, 74,871.30 and 30,055.80 is: 41,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.81 : 74,871.30 = 30,055.80 : x
  2. Step 2: Convert to fraction form
    54,255.81/74,871.30 = 30,055.80/x
  3. Step 3: Cross multiply
    54,255.81x = 74,871.30 × 30,055.80
  4. Step 4: Simplify right side
    54,255.81x = 2,250,316,818.54
  5. Step 5: Solve for x
    x = 2,250,316,818.54/54,255.81
  6. Step 6: Final answer
    x = 41,476.05

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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.