Home / 53,464.49-73,778.36-30,495.22

Finding the Fourth Proportional to 53,464.49, 73,778.36 and 30,495.22

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Solution

The fourth proportional to 53,464.49, 73,778.36 and 30,495.22 is: 42,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,464.49 : 73,778.36 = 30,495.22 : x
  2. Step 2: Convert to fraction form
    53,464.49/73,778.36 = 30,495.22/x
  3. Step 3: Cross multiply
    53,464.49x = 73,778.36 × 30,495.22
  4. Step 4: Simplify right side
    53,464.49x = 2,249,887,319.44
  5. Step 5: Solve for x
    x = 2,249,887,319.44/53,464.49
  6. Step 6: Final answer
    x = 42,081.90

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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.