Home / 57,145.07-85,731.29-23,846.61

Finding the Fourth Proportional to 57,145.07, 85,731.29 and 23,846.61

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Solution

The fourth proportional to 57,145.07, 85,731.29 and 23,846.61 is: 35,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.07 : 85,731.29 = 23,846.61 : x
  2. Step 2: Convert to fraction form
    57,145.07/85,731.29 = 23,846.61/x
  3. Step 3: Cross multiply
    57,145.07x = 85,731.29 × 23,846.61
  4. Step 4: Simplify right side
    57,145.07x = 2,044,400,518.19
  5. Step 5: Solve for x
    x = 2,044,400,518.19/57,145.07
  6. Step 6: Final answer
    x = 35,775.62

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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.