Home / 30,113.38-41,533.04-20,560.94

Finding the Fourth Proportional to 30,113.38, 41,533.04 and 20,560.94

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Solution

The fourth proportional to 30,113.38, 41,533.04 and 20,560.94 is: 28,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.38 : 41,533.04 = 20,560.94 : x
  2. Step 2: Convert to fraction form
    30,113.38/41,533.04 = 20,560.94/x
  3. Step 3: Cross multiply
    30,113.38x = 41,533.04 × 20,560.94
  4. Step 4: Simplify right side
    30,113.38x = 853,958,343.46
  5. Step 5: Solve for x
    x = 853,958,343.46/30,113.38
  6. Step 6: Final answer
    x = 28,358.10

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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.