Home / 29,518.12-40,739.25-17,581.66

Finding the Fourth Proportional to 29,518.12, 40,739.25 and 17,581.66

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Solution

The fourth proportional to 29,518.12, 40,739.25 and 17,581.66 is: 24,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,518.12 : 40,739.25 = 17,581.66 : x
  2. Step 2: Convert to fraction form
    29,518.12/40,739.25 = 17,581.66/x
  3. Step 3: Cross multiply
    29,518.12x = 40,739.25 × 17,581.66
  4. Step 4: Simplify right side
    29,518.12x = 716,263,606.24
  5. Step 5: Solve for x
    x = 716,263,606.24/29,518.12
  6. Step 6: Final answer
    x = 24,265.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.