Home / 32,778.88-45,234.45-18,630.81

Finding the Fourth Proportional to 32,778.88, 45,234.45 and 18,630.81

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Solution

The fourth proportional to 32,778.88, 45,234.45 and 18,630.81 is: 25,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,778.88 : 45,234.45 = 18,630.81 : x
  2. Step 2: Convert to fraction form
    32,778.88/45,234.45 = 18,630.81/x
  3. Step 3: Cross multiply
    32,778.88x = 45,234.45 × 18,630.81
  4. Step 4: Simplify right side
    32,778.88x = 842,754,443.40
  5. Step 5: Solve for x
    x = 842,754,443.40/32,778.88
  6. Step 6: Final answer
    x = 25,710.29

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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.