Home / 47,774.16-65,929.70-27,629.12

Finding the Fourth Proportional to 47,774.16, 65,929.70 and 27,629.12

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Solution

The fourth proportional to 47,774.16, 65,929.70 and 27,629.12 is: 38,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,774.16 : 65,929.70 = 27,629.12 : x
  2. Step 2: Convert to fraction form
    47,774.16/65,929.70 = 27,629.12/x
  3. Step 3: Cross multiply
    47,774.16x = 65,929.70 × 27,629.12
  4. Step 4: Simplify right side
    47,774.16x = 1,821,579,592.86
  5. Step 5: Solve for x
    x = 1,821,579,592.86/47,774.16
  6. Step 6: Final answer
    x = 38,128.97

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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.