Home / 53,387.27-73,668.80-29,510.09

Finding the Fourth Proportional to 53,387.27, 73,668.80 and 29,510.09

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Solution

The fourth proportional to 53,387.27, 73,668.80 and 29,510.09 is: 40,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387.27 : 73,668.80 = 29,510.09 : x
  2. Step 2: Convert to fraction form
    53,387.27/73,668.80 = 29,510.09/x
  3. Step 3: Cross multiply
    53,387.27x = 73,668.80 × 29,510.09
  4. Step 4: Simplify right side
    53,387.27x = 2,173,972,770.64
  5. Step 5: Solve for x
    x = 2,173,972,770.64/53,387.27
  6. Step 6: Final answer
    x = 40,720.81

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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.