Home / 57,001.71-85,494.54-19,561.14

Finding the Fourth Proportional to 57,001.71, 85,494.54 and 19,561.14

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Solution

The fourth proportional to 57,001.71, 85,494.54 and 19,561.14 is: 29,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.71 : 85,494.54 = 19,561.14 : x
  2. Step 2: Convert to fraction form
    57,001.71/85,494.54 = 19,561.14/x
  3. Step 3: Cross multiply
    57,001.71x = 85,494.54 × 19,561.14
  4. Step 4: Simplify right side
    57,001.71x = 1,672,370,666.18
  5. Step 5: Solve for x
    x = 1,672,370,666.18/57,001.71
  6. Step 6: Final answer
    x = 29,338.96

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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.