Home / 57,021.55-85,507.84-19,585.38

Finding the Fourth Proportional to 57,021.55, 85,507.84 and 19,585.38

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Solution

The fourth proportional to 57,021.55, 85,507.84 and 19,585.38 is: 29,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.55 : 85,507.84 = 19,585.38 : x
  2. Step 2: Convert to fraction form
    57,021.55/85,507.84 = 19,585.38/x
  3. Step 3: Cross multiply
    57,021.55x = 85,507.84 × 19,585.38
  4. Step 4: Simplify right side
    57,021.55x = 1,674,703,539.38
  5. Step 5: Solve for x
    x = 1,674,703,539.38/57,021.55
  6. Step 6: Final answer
    x = 29,369.66

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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.