Home / 54,078.39-74,627.40-30,205.41

Finding the Fourth Proportional to 54,078.39, 74,627.40 and 30,205.41

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Solution

The fourth proportional to 54,078.39, 74,627.40 and 30,205.41 is: 41,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.39 : 74,627.40 = 30,205.41 : x
  2. Step 2: Convert to fraction form
    54,078.39/74,627.40 = 30,205.41/x
  3. Step 3: Cross multiply
    54,078.39x = 74,627.40 × 30,205.41
  4. Step 4: Simplify right side
    54,078.39x = 2,254,151,214.23
  5. Step 5: Solve for x
    x = 2,254,151,214.23/54,078.39
  6. Step 6: Final answer
    x = 41,683.03

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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.