Home / 51,516.48-77,279.04-16,455.36

Finding the Fourth Proportional to 51,516.48, 77,279.04 and 16,455.36

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Solution

The fourth proportional to 51,516.48, 77,279.04 and 16,455.36 is: 24,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.48 : 77,279.04 = 16,455.36 : x
  2. Step 2: Convert to fraction form
    51,516.48/77,279.04 = 16,455.36/x
  3. Step 3: Cross multiply
    51,516.48x = 77,279.04 × 16,455.36
  4. Step 4: Simplify right side
    51,516.48x = 1,271,654,423.65
  5. Step 5: Solve for x
    x = 1,271,654,423.65/51,516.48
  6. Step 6: Final answer
    x = 24,684.42

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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.