Home / 38,900.36-58,335.86-12,598.04

Finding the Fourth Proportional to 38,900.36, 58,335.86 and 12,598.04

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Solution

The fourth proportional to 38,900.36, 58,335.86 and 12,598.04 is: 18,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,900.36 : 58,335.86 = 12,598.04 : x
  2. Step 2: Convert to fraction form
    38,900.36/58,335.86 = 12,598.04/x
  3. Step 3: Cross multiply
    38,900.36x = 58,335.86 × 12,598.04
  4. Step 4: Simplify right side
    38,900.36x = 734,917,497.71
  5. Step 5: Solve for x
    x = 734,917,497.71/38,900.36
  6. Step 6: Final answer
    x = 18,892.31

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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.