Home / 30,234.68-45,123.37-29,447.36

Finding the Fourth Proportional to 30,234.68, 45,123.37 and 29,447.36

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Solution

The fourth proportional to 30,234.68, 45,123.37 and 29,447.36 is: 43,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.68 : 45,123.37 = 29,447.36 : x
  2. Step 2: Convert to fraction form
    30,234.68/45,123.37 = 29,447.36/x
  3. Step 3: Cross multiply
    30,234.68x = 45,123.37 × 29,447.36
  4. Step 4: Simplify right side
    30,234.68x = 1,328,764,120.80
  5. Step 5: Solve for x
    x = 1,328,764,120.80/30,234.68
  6. Step 6: Final answer
    x = 43,948.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.