Home / 38,999.11-58,498.62-12,703.81

Finding the Fourth Proportional to 38,999.11, 58,498.62 and 12,703.81

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Solution

The fourth proportional to 38,999.11, 58,498.62 and 12,703.81 is: 19,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.11 : 58,498.62 = 12,703.81 : x
  2. Step 2: Convert to fraction form
    38,999.11/58,498.62 = 12,703.81/x
  3. Step 3: Cross multiply
    38,999.11x = 58,498.62 × 12,703.81
  4. Step 4: Simplify right side
    38,999.11x = 743,155,353.74
  5. Step 5: Solve for x
    x = 743,155,353.74/38,999.11
  6. Step 6: Final answer
    x = 19,055.70

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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.