Home / 38,579.91-53,270.48-29,613.21

Finding the Fourth Proportional to 38,579.91, 53,270.48 and 29,613.21

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Solution

The fourth proportional to 38,579.91, 53,270.48 and 29,613.21 is: 40,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.91 : 53,270.48 = 29,613.21 : x
  2. Step 2: Convert to fraction form
    38,579.91/53,270.48 = 29,613.21/x
  3. Step 3: Cross multiply
    38,579.91x = 53,270.48 × 29,613.21
  4. Step 4: Simplify right side
    38,579.91x = 1,577,509,911.04
  5. Step 5: Solve for x
    x = 1,577,509,911.04/38,579.91
  6. Step 6: Final answer
    x = 40,889.41

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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.