Home / 35,211.45-52,799.90-17,421.56

Finding the Fourth Proportional to 35,211.45, 52,799.90 and 17,421.56

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Solution

The fourth proportional to 35,211.45, 52,799.90 and 17,421.56 is: 26,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.45 : 52,799.90 = 17,421.56 : x
  2. Step 2: Convert to fraction form
    35,211.45/52,799.90 = 17,421.56/x
  3. Step 3: Cross multiply
    35,211.45x = 52,799.90 × 17,421.56
  4. Step 4: Simplify right side
    35,211.45x = 919,856,274.74
  5. Step 5: Solve for x
    x = 919,856,274.74/35,211.45
  6. Step 6: Final answer
    x = 26,123.78

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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.