Home / 29,553.80-40,775.36-19,478.62

Finding the Fourth Proportional to 29,553.80, 40,775.36 and 19,478.62

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Solution

The fourth proportional to 29,553.80, 40,775.36 and 19,478.62 is: 26,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,553.80 : 40,775.36 = 19,478.62 : x
  2. Step 2: Convert to fraction form
    29,553.80/40,775.36 = 19,478.62/x
  3. Step 3: Cross multiply
    29,553.80x = 40,775.36 × 19,478.62
  4. Step 4: Simplify right side
    29,553.80x = 794,247,742.80
  5. Step 5: Solve for x
    x = 794,247,742.80/29,553.80
  6. Step 6: Final answer
    x = 26,874.64

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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.