Home / 39,090.96-58,635.48-11,389.20

Finding the Fourth Proportional to 39,090.96, 58,635.48 and 11,389.20

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Solution

The fourth proportional to 39,090.96, 58,635.48 and 11,389.20 is: 17,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.96 : 58,635.48 = 11,389.20 : x
  2. Step 2: Convert to fraction form
    39,090.96/58,635.48 = 11,389.20/x
  3. Step 3: Cross multiply
    39,090.96x = 58,635.48 × 11,389.20
  4. Step 4: Simplify right side
    39,090.96x = 667,811,208.82
  5. Step 5: Solve for x
    x = 667,811,208.82/39,090.96
  6. Step 6: Final answer
    x = 17,083.52

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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.