Home / 47,995.16-72,004.33-18,009.64

Finding the Fourth Proportional to 47,995.16, 72,004.33 and 18,009.64

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Solution

The fourth proportional to 47,995.16, 72,004.33 and 18,009.64 is: 27,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,995.16 : 72,004.33 = 18,009.64 : x
  2. Step 2: Convert to fraction form
    47,995.16/72,004.33 = 18,009.64/x
  3. Step 3: Cross multiply
    47,995.16x = 72,004.33 × 18,009.64
  4. Step 4: Simplify right side
    47,995.16x = 1,296,772,091.95
  5. Step 5: Solve for x
    x = 1,296,772,091.95/47,995.16
  6. Step 6: Final answer
    x = 27,018.81

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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.