Home / 35,765.64-53,640.81-12,071.04

Finding the Fourth Proportional to 35,765.64, 53,640.81 and 12,071.04

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Solution

The fourth proportional to 35,765.64, 53,640.81 and 12,071.04 is: 18,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.64 : 53,640.81 = 12,071.04 : x
  2. Step 2: Convert to fraction form
    35,765.64/53,640.81 = 12,071.04/x
  3. Step 3: Cross multiply
    35,765.64x = 53,640.81 × 12,071.04
  4. Step 4: Simplify right side
    35,765.64x = 647,500,363.14
  5. Step 5: Solve for x
    x = 647,500,363.14/35,765.64
  6. Step 6: Final answer
    x = 18,103.98

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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.