Home / 49,430.81-74,130.89-17,836.76

Finding the Fourth Proportional to 49,430.81, 74,130.89 and 17,836.76

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Solution

The fourth proportional to 49,430.81, 74,130.89 and 17,836.76 is: 26,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.81 : 74,130.89 = 17,836.76 : x
  2. Step 2: Convert to fraction form
    49,430.81/74,130.89 = 17,836.76/x
  3. Step 3: Cross multiply
    49,430.81x = 74,130.89 × 17,836.76
  4. Step 4: Simplify right side
    49,430.81x = 1,322,254,989.66
  5. Step 5: Solve for x
    x = 1,322,254,989.66/49,430.81
  6. Step 6: Final answer
    x = 26,749.61

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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.