Home / 35,770.85-53,665.83-12,397.28

Finding the Fourth Proportional to 35,770.85, 53,665.83 and 12,397.28

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Solution

The fourth proportional to 35,770.85, 53,665.83 and 12,397.28 is: 18,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.85 : 53,665.83 = 12,397.28 : x
  2. Step 2: Convert to fraction form
    35,770.85/53,665.83 = 12,397.28/x
  3. Step 3: Cross multiply
    35,770.85x = 53,665.83 × 12,397.28
  4. Step 4: Simplify right side
    35,770.85x = 665,310,455.11
  5. Step 5: Solve for x
    x = 665,310,455.11/35,770.85
  6. Step 6: Final answer
    x = 18,599.24

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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.