Home / 53,537.55-73,879.84-30,877.49

Finding the Fourth Proportional to 53,537.55, 73,879.84 and 30,877.49

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Solution

The fourth proportional to 53,537.55, 73,879.84 and 30,877.49 is: 42,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,537.55 : 73,879.84 = 30,877.49 : x
  2. Step 2: Convert to fraction form
    53,537.55/73,879.84 = 30,877.49/x
  3. Step 3: Cross multiply
    53,537.55x = 73,879.84 × 30,877.49
  4. Step 4: Simplify right side
    53,537.55x = 2,281,224,020.80
  5. Step 5: Solve for x
    x = 2,281,224,020.80/53,537.55
  6. Step 6: Final answer
    x = 42,609.79

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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.