Home / 49,130.19-67,780.41-30,234.51

Finding the Fourth Proportional to 49,130.19, 67,780.41 and 30,234.51

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Solution

The fourth proportional to 49,130.19, 67,780.41 and 30,234.51 is: 41,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.19 : 67,780.41 = 30,234.51 : x
  2. Step 2: Convert to fraction form
    49,130.19/67,780.41 = 30,234.51/x
  3. Step 3: Cross multiply
    49,130.19x = 67,780.41 × 30,234.51
  4. Step 4: Simplify right side
    49,130.19x = 2,049,306,993.87
  5. Step 5: Solve for x
    x = 2,049,306,993.87/49,130.19
  6. Step 6: Final answer
    x = 41,711.77

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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.