Home / 35,650.55-53,528.40-19,886.38

Finding the Fourth Proportional to 35,650.55, 53,528.40 and 19,886.38

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Solution

The fourth proportional to 35,650.55, 53,528.40 and 19,886.38 is: 29,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,650.55 : 53,528.40 = 19,886.38 : x
  2. Step 2: Convert to fraction form
    35,650.55/53,528.40 = 19,886.38/x
  3. Step 3: Cross multiply
    35,650.55x = 53,528.40 × 19,886.38
  4. Step 4: Simplify right side
    35,650.55x = 1,064,486,103.19
  5. Step 5: Solve for x
    x = 1,064,486,103.19/35,650.55
  6. Step 6: Final answer
    x = 29,858.90

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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.