Home / 38,065.83-57,097.43-9,985.67

Finding the Fourth Proportional to 38,065.83, 57,097.43 and 9,985.67

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Solution

The fourth proportional to 38,065.83, 57,097.43 and 9,985.67 is: 14,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065.83 : 57,097.43 = 9,985.67 : x
  2. Step 2: Convert to fraction form
    38,065.83/57,097.43 = 9,985.67/x
  3. Step 3: Cross multiply
    38,065.83x = 57,097.43 × 9,985.67
  4. Step 4: Simplify right side
    38,065.83x = 570,155,758.41
  5. Step 5: Solve for x
    x = 570,155,758.41/38,065.83
  6. Step 6: Final answer
    x = 14,978.15

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Similar ratio
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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.