Home / 47,661.12-65,775.30-27,521.64

Finding the Fourth Proportional to 47,661.12, 65,775.30 and 27,521.64

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Solution

The fourth proportional to 47,661.12, 65,775.30 and 27,521.64 is: 37,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.12 : 65,775.30 = 27,521.64 : x
  2. Step 2: Convert to fraction form
    47,661.12/65,775.30 = 27,521.64/x
  3. Step 3: Cross multiply
    47,661.12x = 65,775.30 × 27,521.64
  4. Step 4: Simplify right side
    47,661.12x = 1,810,244,127.49
  5. Step 5: Solve for x
    x = 1,810,244,127.49/47,661.12
  6. Step 6: Final answer
    x = 37,981.57

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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.