Home / 49,659.45-74,465.74-18,047.28

Finding the Fourth Proportional to 49,659.45, 74,465.74 and 18,047.28

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Solution

The fourth proportional to 49,659.45, 74,465.74 and 18,047.28 is: 27,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,659.45 : 74,465.74 = 18,047.28 : x
  2. Step 2: Convert to fraction form
    49,659.45/74,465.74 = 18,047.28/x
  3. Step 3: Cross multiply
    49,659.45x = 74,465.74 × 18,047.28
  4. Step 4: Simplify right side
    49,659.45x = 1,343,904,060.19
  5. Step 5: Solve for x
    x = 1,343,904,060.19/49,659.45
  6. Step 6: Final answer
    x = 27,062.40

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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.