Home / 53,271.26-79,830.75-39,120.29

Finding the Fourth Proportional to 53,271.26, 79,830.75 and 39,120.29

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Solution

The fourth proportional to 53,271.26, 79,830.75 and 39,120.29 is: 58,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.26 : 79,830.75 = 39,120.29 : x
  2. Step 2: Convert to fraction form
    53,271.26/79,830.75 = 39,120.29/x
  3. Step 3: Cross multiply
    53,271.26x = 79,830.75 × 39,120.29
  4. Step 4: Simplify right side
    53,271.26x = 3,123,002,090.92
  5. Step 5: Solve for x
    x = 3,123,002,090.92/53,271.26
  6. Step 6: Final answer
    x = 58,624.52

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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.