Home / 38,176.09-52,683.12-21,180.67

Finding the Fourth Proportional to 38,176.09, 52,683.12 and 21,180.67

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Solution

The fourth proportional to 38,176.09, 52,683.12 and 21,180.67 is: 29,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.09 : 52,683.12 = 21,180.67 : x
  2. Step 2: Convert to fraction form
    38,176.09/52,683.12 = 21,180.67/x
  3. Step 3: Cross multiply
    38,176.09x = 52,683.12 × 21,180.67
  4. Step 4: Simplify right side
    38,176.09x = 1,115,863,779.29
  5. Step 5: Solve for x
    x = 1,115,863,779.29/38,176.09
  6. Step 6: Final answer
    x = 29,229.39

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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.