Home / 53,090.11-79,635.16-13,647.26

Finding the Fourth Proportional to 53,090.11, 79,635.16 and 13,647.26

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Solution

The fourth proportional to 53,090.11, 79,635.16 and 13,647.26 is: 20,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.11 : 79,635.16 = 13,647.26 : x
  2. Step 2: Convert to fraction form
    53,090.11/79,635.16 = 13,647.26/x
  3. Step 3: Cross multiply
    53,090.11x = 79,635.16 × 13,647.26
  4. Step 4: Simplify right side
    53,090.11x = 1,086,801,733.66
  5. Step 5: Solve for x
    x = 1,086,801,733.66/53,090.11
  6. Step 6: Final answer
    x = 20,470.89

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1.5x scale

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.