Home / 29,965.23-45,009.80-28,969.23

Finding the Fourth Proportional to 29,965.23, 45,009.80 and 28,969.23

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Solution

The fourth proportional to 29,965.23, 45,009.80 and 28,969.23 is: 43,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,965.23 : 45,009.80 = 28,969.23 : x
  2. Step 2: Convert to fraction form
    29,965.23/45,009.80 = 28,969.23/x
  3. Step 3: Cross multiply
    29,965.23x = 45,009.80 × 28,969.23
  4. Step 4: Simplify right side
    29,965.23x = 1,303,899,103.61
  5. Step 5: Solve for x
    x = 1,303,899,103.61/29,965.23
  6. Step 6: Final answer
    x = 43,513.74

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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.