Home / 45,645.81-68,439.39-19,010.26

Finding the Fourth Proportional to 45,645.81, 68,439.39 and 19,010.26

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Solution

The fourth proportional to 45,645.81, 68,439.39 and 19,010.26 is: 28,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645.81 : 68,439.39 = 19,010.26 : x
  2. Step 2: Convert to fraction form
    45,645.81/68,439.39 = 19,010.26/x
  3. Step 3: Cross multiply
    45,645.81x = 68,439.39 × 19,010.26
  4. Step 4: Simplify right side
    45,645.81x = 1,301,050,598.14
  5. Step 5: Solve for x
    x = 1,301,050,598.14/45,645.81
  6. Step 6: Final answer
    x = 28,503.18

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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.