Home / 30,983.84-46,360.92-18,510.66

Finding the Fourth Proportional to 30,983.84, 46,360.92 and 18,510.66

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Solution

The fourth proportional to 30,983.84, 46,360.92 and 18,510.66 is: 27,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.84 : 46,360.92 = 18,510.66 : x
  2. Step 2: Convert to fraction form
    30,983.84/46,360.92 = 18,510.66/x
  3. Step 3: Cross multiply
    30,983.84x = 46,360.92 × 18,510.66
  4. Step 4: Simplify right side
    30,983.84x = 858,171,227.41
  5. Step 5: Solve for x
    x = 858,171,227.41/30,983.84
  6. Step 6: Final answer
    x = 27,697.38

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1.5x scale

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.