Home / 38,100.66-57,155.04-11,807.46

Finding the Fourth Proportional to 38,100.66, 57,155.04 and 11,807.46

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Solution

The fourth proportional to 38,100.66, 57,155.04 and 11,807.46 is: 17,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.66 : 57,155.04 = 11,807.46 : x
  2. Step 2: Convert to fraction form
    38,100.66/57,155.04 = 11,807.46/x
  3. Step 3: Cross multiply
    38,100.66x = 57,155.04 × 11,807.46
  4. Step 4: Simplify right side
    38,100.66x = 674,855,848.60
  5. Step 5: Solve for x
    x = 674,855,848.60/38,100.66
  6. Step 6: Final answer
    x = 17,712.45

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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.