Home / 30,253.05-41,752.92-18,320.53

Finding the Fourth Proportional to 30,253.05, 41,752.92 and 18,320.53

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Solution

The fourth proportional to 30,253.05, 41,752.92 and 18,320.53 is: 25,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.05 : 41,752.92 = 18,320.53 : x
  2. Step 2: Convert to fraction form
    30,253.05/41,752.92 = 18,320.53/x
  3. Step 3: Cross multiply
    30,253.05x = 41,752.92 × 18,320.53
  4. Step 4: Simplify right side
    30,253.05x = 764,935,623.45
  5. Step 5: Solve for x
    x = 764,935,623.45/30,253.05
  6. Step 6: Final answer
    x = 25,284.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.