Home / 35,538.30-53,307.45-19,953.90

Finding the Fourth Proportional to 35,538.30, 53,307.45 and 19,953.90

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Solution

The fourth proportional to 35,538.30, 53,307.45 and 19,953.90 is: 29,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,538.30 : 53,307.45 = 19,953.90 : x
  2. Step 2: Convert to fraction form
    35,538.30/53,307.45 = 19,953.90/x
  3. Step 3: Cross multiply
    35,538.30x = 53,307.45 × 19,953.90
  4. Step 4: Simplify right side
    35,538.30x = 1,063,691,526.56
  5. Step 5: Solve for x
    x = 1,063,691,526.56/35,538.30
  6. Step 6: Final answer
    x = 29,930.85

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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.