Home / 52,730.43-79,089.78-13,287.54

Finding the Fourth Proportional to 52,730.43, 79,089.78 and 13,287.54

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Solution

The fourth proportional to 52,730.43, 79,089.78 and 13,287.54 is: 19,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,730.43 : 79,089.78 = 13,287.54 : x
  2. Step 2: Convert to fraction form
    52,730.43/79,089.78 = 13,287.54/x
  3. Step 3: Cross multiply
    52,730.43x = 79,089.78 × 13,287.54
  4. Step 4: Simplify right side
    52,730.43x = 1,050,908,615.34
  5. Step 5: Solve for x
    x = 1,050,908,615.34/52,730.43
  6. Step 6: Final answer
    x = 19,929.83

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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.