Home / 38,661.65-53,378.78-29,693.13

Finding the Fourth Proportional to 38,661.65, 53,378.78 and 29,693.13

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Solution

The fourth proportional to 38,661.65, 53,378.78 and 29,693.13 is: 40,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.65 : 53,378.78 = 29,693.13 : x
  2. Step 2: Convert to fraction form
    38,661.65/53,378.78 = 29,693.13/x
  3. Step 3: Cross multiply
    38,661.65x = 53,378.78 × 29,693.13
  4. Step 4: Simplify right side
    38,661.65x = 1,584,982,638.42
  5. Step 5: Solve for x
    x = 1,584,982,638.42/38,661.65
  6. Step 6: Final answer
    x = 40,996.25

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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.