Home / 38,995.11-58,492.62-12,699.81

Finding the Fourth Proportional to 38,995.11, 58,492.62 and 12,699.81

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Solution

The fourth proportional to 38,995.11, 58,492.62 and 12,699.81 is: 19,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,995.11 : 58,492.62 = 12,699.81 : x
  2. Step 2: Convert to fraction form
    38,995.11/58,492.62 = 12,699.81/x
  3. Step 3: Cross multiply
    38,995.11x = 58,492.62 × 12,699.81
  4. Step 4: Simplify right side
    38,995.11x = 742,845,160.40
  5. Step 5: Solve for x
    x = 742,845,160.40/38,995.11
  6. Step 6: Final answer
    x = 19,049.70

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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.