Home / 29,032.29-40,050.05-18,405.09

Finding the Fourth Proportional to 29,032.29, 40,050.05 and 18,405.09

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Solution

The fourth proportional to 29,032.29, 40,050.05 and 18,405.09 is: 25,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,032.29 : 40,050.05 = 18,405.09 : x
  2. Step 2: Convert to fraction form
    29,032.29/40,050.05 = 18,405.09/x
  3. Step 3: Cross multiply
    29,032.29x = 40,050.05 × 18,405.09
  4. Step 4: Simplify right side
    29,032.29x = 737,124,682.73
  5. Step 5: Solve for x
    x = 737,124,682.73/29,032.29
  6. Step 6: Final answer
    x = 25,389.82

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1.5x scale

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.