Home / 30,447.40-45,670.14-18,052.36

Finding the Fourth Proportional to 30,447.40, 45,670.14 and 18,052.36

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Solution

The fourth proportional to 30,447.40, 45,670.14 and 18,052.36 is: 27,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447.40 : 45,670.14 = 18,052.36 : x
  2. Step 2: Convert to fraction form
    30,447.40/45,670.14 = 18,052.36/x
  3. Step 3: Cross multiply
    30,447.40x = 45,670.14 × 18,052.36
  4. Step 4: Simplify right side
    30,447.40x = 824,453,808.53
  5. Step 5: Solve for x
    x = 824,453,808.53/30,447.40
  6. Step 6: Final answer
    x = 27,077.97

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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.