Home / 30,607.28-45,935.52-15,820.53

Finding the Fourth Proportional to 30,607.28, 45,935.52 and 15,820.53

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Solution

The fourth proportional to 30,607.28, 45,935.52 and 15,820.53 is: 23,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.28 : 45,935.52 = 15,820.53 : x
  2. Step 2: Convert to fraction form
    30,607.28/45,935.52 = 15,820.53/x
  3. Step 3: Cross multiply
    30,607.28x = 45,935.52 × 15,820.53
  4. Step 4: Simplify right side
    30,607.28x = 726,724,272.23
  5. Step 5: Solve for x
    x = 726,724,272.23/30,607.28
  6. Step 6: Final answer
    x = 23,743.51

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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.