Home / 38,878.32-58,307.68-11,176.32

Finding the Fourth Proportional to 38,878.32, 58,307.68 and 11,176.32

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Solution

The fourth proportional to 38,878.32, 58,307.68 and 11,176.32 is: 16,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.32 : 58,307.68 = 11,176.32 : x
  2. Step 2: Convert to fraction form
    38,878.32/58,307.68 = 11,176.32/x
  3. Step 3: Cross multiply
    38,878.32x = 58,307.68 × 11,176.32
  4. Step 4: Simplify right side
    38,878.32x = 651,665,290.14
  5. Step 5: Solve for x
    x = 651,665,290.14/38,878.32
  6. Step 6: Final answer
    x = 16,761.66

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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.