Home / 57,315.84-85,976.08-14,622.38

Finding the Fourth Proportional to 57,315.84, 85,976.08 and 14,622.38

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Solution

The fourth proportional to 57,315.84, 85,976.08 and 14,622.38 is: 21,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.84 : 85,976.08 = 14,622.38 : x
  2. Step 2: Convert to fraction form
    57,315.84/85,976.08 = 14,622.38/x
  3. Step 3: Cross multiply
    57,315.84x = 85,976.08 × 14,622.38
  4. Step 4: Simplify right side
    57,315.84x = 1,257,174,912.67
  5. Step 5: Solve for x
    x = 1,257,174,912.67/57,315.84
  6. Step 6: Final answer
    x = 21,934.16

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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.