Home / 52,319.88-78,455.16-19,016.46

Finding the Fourth Proportional to 52,319.88, 78,455.16 and 19,016.46

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Solution

The fourth proportional to 52,319.88, 78,455.16 and 19,016.46 is: 28,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,319.88 : 78,455.16 = 19,016.46 : x
  2. Step 2: Convert to fraction form
    52,319.88/78,455.16 = 19,016.46/x
  3. Step 3: Cross multiply
    52,319.88x = 78,455.16 × 19,016.46
  4. Step 4: Simplify right side
    52,319.88x = 1,491,939,411.93
  5. Step 5: Solve for x
    x = 1,491,939,411.93/52,319.88
  6. Step 6: Final answer
    x = 28,515.73

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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.