Home / 56,900.12-85,351.74-15,347

Finding the Fourth Proportional to 56,900.12, 85,351.74 and 15,347

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Solution

The fourth proportional to 56,900.12, 85,351.74 and 15,347 is: 23,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900.12 : 85,351.74 = 15,347 : x
  2. Step 2: Convert to fraction form
    56,900.12/85,351.74 = 15,347/x
  3. Step 3: Cross multiply
    56,900.12x = 85,351.74 × 15,347
  4. Step 4: Simplify right side
    56,900.12x = 1,309,893,153.78
  5. Step 5: Solve for x
    x = 1,309,893,153.78/56,900.12
  6. Step 6: Final answer
    x = 23,020.92

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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.