Home / 51,013.80-76,526.52-13,575.42

Finding the Fourth Proportional to 51,013.80, 76,526.52 and 13,575.42

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Solution

The fourth proportional to 51,013.80, 76,526.52 and 13,575.42 is: 20,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.80 : 76,526.52 = 13,575.42 : x
  2. Step 2: Convert to fraction form
    51,013.80/76,526.52 = 13,575.42/x
  3. Step 3: Cross multiply
    51,013.80x = 76,526.52 × 13,575.42
  4. Step 4: Simplify right side
    51,013.80x = 1,038,879,650.14
  5. Step 5: Solve for x
    x = 1,038,879,650.14/51,013.80
  6. Step 6: Final answer
    x = 20,364.68

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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.