Home / 30,533.13-45,800.28-20,069.94

Finding the Fourth Proportional to 30,533.13, 45,800.28 and 20,069.94

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Solution

The fourth proportional to 30,533.13, 45,800.28 and 20,069.94 is: 30,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.13 : 45,800.28 = 20,069.94 : x
  2. Step 2: Convert to fraction form
    30,533.13/45,800.28 = 20,069.94/x
  3. Step 3: Cross multiply
    30,533.13x = 45,800.28 × 20,069.94
  4. Step 4: Simplify right side
    30,533.13x = 919,208,871.58
  5. Step 5: Solve for x
    x = 919,208,871.58/30,533.13
  6. Step 6: Final answer
    x = 30,105.29

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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.