Home / 38,500.79-57,756.68-11,848.98

Finding the Fourth Proportional to 38,500.79, 57,756.68 and 11,848.98

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Solution

The fourth proportional to 38,500.79, 57,756.68 and 11,848.98 is: 17,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.79 : 57,756.68 = 11,848.98 : x
  2. Step 2: Convert to fraction form
    38,500.79/57,756.68 = 11,848.98/x
  3. Step 3: Cross multiply
    38,500.79x = 57,756.68 × 11,848.98
  4. Step 4: Simplify right side
    38,500.79x = 684,357,947.96
  5. Step 5: Solve for x
    x = 684,357,947.96/38,500.79
  6. Step 6: Final answer
    x = 17,775.17

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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.