Home / 53,434.08-73,732.62-30,780.48

Finding the Fourth Proportional to 53,434.08, 73,732.62 and 30,780.48

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Solution

The fourth proportional to 53,434.08, 73,732.62 and 30,780.48 is: 42,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434.08 : 73,732.62 = 30,780.48 : x
  2. Step 2: Convert to fraction form
    53,434.08/73,732.62 = 30,780.48/x
  3. Step 3: Cross multiply
    53,434.08x = 73,732.62 × 30,780.48
  4. Step 4: Simplify right side
    53,434.08x = 2,269,525,435.26
  5. Step 5: Solve for x
    x = 2,269,525,435.26/53,434.08
  6. Step 6: Final answer
    x = 42,473.37

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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.