Home / 45,054.08-67,539.30-21,372.73

Finding the Fourth Proportional to 45,054.08, 67,539.30 and 21,372.73

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Solution

The fourth proportional to 45,054.08, 67,539.30 and 21,372.73 is: 32,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,054.08 : 67,539.30 = 21,372.73 : x
  2. Step 2: Convert to fraction form
    45,054.08/67,539.30 = 21,372.73/x
  3. Step 3: Cross multiply
    45,054.08x = 67,539.30 × 21,372.73
  4. Step 4: Simplify right side
    45,054.08x = 1,443,499,223.29
  5. Step 5: Solve for x
    x = 1,443,499,223.29/45,054.08
  6. Step 6: Final answer
    x = 32,039.26

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1.5x scale

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.