Home / 49,655.51-74,459.78-18,043.54

Finding the Fourth Proportional to 49,655.51, 74,459.78 and 18,043.54

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Solution

The fourth proportional to 49,655.51, 74,459.78 and 18,043.54 is: 27,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,655.51 : 74,459.78 = 18,043.54 : x
  2. Step 2: Convert to fraction form
    49,655.51/74,459.78 = 18,043.54/x
  3. Step 3: Cross multiply
    49,655.51x = 74,459.78 × 18,043.54
  4. Step 4: Simplify right side
    49,655.51x = 1,343,518,018.82
  5. Step 5: Solve for x
    x = 1,343,518,018.82/49,655.51
  6. Step 6: Final answer
    x = 27,056.78

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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.