Home / 45,812.68-68,735.40-28,262.08

Finding the Fourth Proportional to 45,812.68, 68,735.40 and 28,262.08

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Solution

The fourth proportional to 45,812.68, 68,735.40 and 28,262.08 is: 42,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.68 : 68,735.40 = 28,262.08 : x
  2. Step 2: Convert to fraction form
    45,812.68/68,735.40 = 28,262.08/x
  3. Step 3: Cross multiply
    45,812.68x = 68,735.40 × 28,262.08
  4. Step 4: Simplify right side
    45,812.68x = 1,942,605,373.63
  5. Step 5: Solve for x
    x = 1,942,605,373.63/45,812.68
  6. Step 6: Final answer
    x = 42,403.22

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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.