Home / 32,760.90-45,205.47-18,418.77

Finding the Fourth Proportional to 32,760.90, 45,205.47 and 18,418.77

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Solution

The fourth proportional to 32,760.90, 45,205.47 and 18,418.77 is: 25,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.90 : 45,205.47 = 18,418.77 : x
  2. Step 2: Convert to fraction form
    32,760.90/45,205.47 = 18,418.77/x
  3. Step 3: Cross multiply
    32,760.90x = 45,205.47 × 18,418.77
  4. Step 4: Simplify right side
    32,760.90x = 832,629,154.67
  5. Step 5: Solve for x
    x = 832,629,154.67/32,760.90
  6. Step 6: Final answer
    x = 25,415.33

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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.