Home / 38,065.66-57,065.68-18,317.06

Finding the Fourth Proportional to 38,065.66, 57,065.68 and 18,317.06

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Solution

The fourth proportional to 38,065.66, 57,065.68 and 18,317.06 is: 27,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065.66 : 57,065.68 = 18,317.06 : x
  2. Step 2: Convert to fraction form
    38,065.66/57,065.68 = 18,317.06/x
  3. Step 3: Cross multiply
    38,065.66x = 57,065.68 × 18,317.06
  4. Step 4: Simplify right side
    38,065.66x = 1,045,275,484.50
  5. Step 5: Solve for x
    x = 1,045,275,484.50/38,065.66
  6. Step 6: Final answer
    x = 27,459.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.