Home / 54,495.20-75,205.60-30,621.80

Finding the Fourth Proportional to 54,495.20, 75,205.60 and 30,621.80

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Solution

The fourth proportional to 54,495.20, 75,205.60 and 30,621.80 is: 42,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495.20 : 75,205.60 = 30,621.80 : x
  2. Step 2: Convert to fraction form
    54,495.20/75,205.60 = 30,621.80/x
  3. Step 3: Cross multiply
    54,495.20x = 75,205.60 × 30,621.80
  4. Step 4: Simplify right side
    54,495.20x = 2,302,930,842.08
  5. Step 5: Solve for x
    x = 2,302,930,842.08/54,495.20
  6. Step 6: Final answer
    x = 42,259.33

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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.