Home / 30,983.72-46,360.76-18,510.53

Finding the Fourth Proportional to 30,983.72, 46,360.76 and 18,510.53

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Solution

The fourth proportional to 30,983.72, 46,360.76 and 18,510.53 is: 27,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.72 : 46,360.76 = 18,510.53 : x
  2. Step 2: Convert to fraction form
    30,983.72/46,360.76 = 18,510.53/x
  3. Step 3: Cross multiply
    30,983.72x = 46,360.76 × 18,510.53
  4. Step 4: Simplify right side
    30,983.72x = 858,161,914.45
  5. Step 5: Solve for x
    x = 858,161,914.45/30,983.72
  6. Step 6: Final answer
    x = 27,697.19

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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.