Home / 30,604.40-42,260.64-29,029.76

Finding the Fourth Proportional to 30,604.40, 42,260.64 and 29,029.76

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Solution

The fourth proportional to 30,604.40, 42,260.64 and 29,029.76 is: 40,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.40 : 42,260.64 = 29,029.76 : x
  2. Step 2: Convert to fraction form
    30,604.40/42,260.64 = 29,029.76/x
  3. Step 3: Cross multiply
    30,604.40x = 42,260.64 × 29,029.76
  4. Step 4: Simplify right side
    30,604.40x = 1,226,816,236.65
  5. Step 5: Solve for x
    x = 1,226,816,236.65/30,604.40
  6. Step 6: Final answer
    x = 40,086.27

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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.