Home / 57,197.42-85,807.56-19,758.86

Finding the Fourth Proportional to 57,197.42, 85,807.56 and 19,758.86

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Solution

The fourth proportional to 57,197.42, 85,807.56 and 19,758.86 is: 29,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.42 : 85,807.56 = 19,758.86 : x
  2. Step 2: Convert to fraction form
    57,197.42/85,807.56 = 19,758.86/x
  3. Step 3: Cross multiply
    57,197.42x = 85,807.56 × 19,758.86
  4. Step 4: Simplify right side
    57,197.42x = 1,695,459,564.98
  5. Step 5: Solve for x
    x = 1,695,459,564.98/57,197.42
  6. Step 6: Final answer
    x = 29,642.24

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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.