Home / 53,342.28-73,609-29,467.80

Finding the Fourth Proportional to 53,342.28, 73,609 and 29,467.80

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Solution

The fourth proportional to 53,342.28, 73,609 and 29,467.80 is: 40,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.28 : 73,609 = 29,467.80 : x
  2. Step 2: Convert to fraction form
    53,342.28/73,609 = 29,467.80/x
  3. Step 3: Cross multiply
    53,342.28x = 73,609 × 29,467.80
  4. Step 4: Simplify right side
    53,342.28x = 2,169,095,290.20
  5. Step 5: Solve for x
    x = 2,169,095,290.20/53,342.28
  6. Step 6: Final answer
    x = 40,663.72

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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.