Home / 48,440.79-72,618.09-18,851.69

Finding the Fourth Proportional to 48,440.79, 72,618.09 and 18,851.69

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Solution

The fourth proportional to 48,440.79, 72,618.09 and 18,851.69 is: 28,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,440.79 : 72,618.09 = 18,851.69 : x
  2. Step 2: Convert to fraction form
    48,440.79/72,618.09 = 18,851.69/x
  3. Step 3: Cross multiply
    48,440.79x = 72,618.09 × 18,851.69
  4. Step 4: Simplify right side
    48,440.79x = 1,368,973,357.98
  5. Step 5: Solve for x
    x = 1,368,973,357.98/48,440.79
  6. Step 6: Final answer
    x = 28,260.76

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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.