Home / 53,197.08-79,789.13-13,750.89

Finding the Fourth Proportional to 53,197.08, 79,789.13 and 13,750.89

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Solution

The fourth proportional to 53,197.08, 79,789.13 and 13,750.89 is: 20,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.08 : 79,789.13 = 13,750.89 : x
  2. Step 2: Convert to fraction form
    53,197.08/79,789.13 = 13,750.89/x
  3. Step 3: Cross multiply
    53,197.08x = 79,789.13 × 13,750.89
  4. Step 4: Simplify right side
    53,197.08x = 1,097,171,549.83
  5. Step 5: Solve for x
    x = 1,097,171,549.83/53,197.08
  6. Step 6: Final answer
    x = 20,624.66

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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.