Home / 30,663.17-45,956.28-13,112.36

Finding the Fourth Proportional to 30,663.17, 45,956.28 and 13,112.36

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Solution

The fourth proportional to 30,663.17, 45,956.28 and 13,112.36 is: 19,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,663.17 : 45,956.28 = 13,112.36 : x
  2. Step 2: Convert to fraction form
    30,663.17/45,956.28 = 13,112.36/x
  3. Step 3: Cross multiply
    30,663.17x = 45,956.28 × 13,112.36
  4. Step 4: Simplify right side
    30,663.17x = 602,595,287.62
  5. Step 5: Solve for x
    x = 602,595,287.62/30,663.17
  6. Step 6: Final answer
    x = 19,652.09

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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.