Home / 38,416.32-57,547.80-18,634.86

Finding the Fourth Proportional to 38,416.32, 57,547.80 and 18,634.86

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Solution

The fourth proportional to 38,416.32, 57,547.80 and 18,634.86 is: 27,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.32 : 57,547.80 = 18,634.86 : x
  2. Step 2: Convert to fraction form
    38,416.32/57,547.80 = 18,634.86/x
  3. Step 3: Cross multiply
    38,416.32x = 57,547.80 × 18,634.86
  4. Step 4: Simplify right side
    38,416.32x = 1,072,395,196.31
  5. Step 5: Solve for x
    x = 1,072,395,196.31/38,416.32
  6. Step 6: Final answer
    x = 27,915.09

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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.