Home / 30,770.03-42,462.68-16,622.87

Finding the Fourth Proportional to 30,770.03, 42,462.68 and 16,622.87

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Solution

The fourth proportional to 30,770.03, 42,462.68 and 16,622.87 is: 22,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.03 : 42,462.68 = 16,622.87 : x
  2. Step 2: Convert to fraction form
    30,770.03/42,462.68 = 16,622.87/x
  3. Step 3: Cross multiply
    30,770.03x = 42,462.68 × 16,622.87
  4. Step 4: Simplify right side
    30,770.03x = 705,851,632.53
  5. Step 5: Solve for x
    x = 705,851,632.53/30,770.03
  6. Step 6: Final answer
    x = 22,939.58

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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.