Home / 56,849.28-85,284.45-19,407.30

Finding the Fourth Proportional to 56,849.28, 85,284.45 and 19,407.30

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Solution

The fourth proportional to 56,849.28, 85,284.45 and 19,407.30 is: 29,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.28 : 85,284.45 = 19,407.30 : x
  2. Step 2: Convert to fraction form
    56,849.28/85,284.45 = 19,407.30/x
  3. Step 3: Cross multiply
    56,849.28x = 85,284.45 × 19,407.30
  4. Step 4: Simplify right side
    56,849.28x = 1,655,140,906.49
  5. Step 5: Solve for x
    x = 1,655,140,906.49/56,849.28
  6. Step 6: Final answer
    x = 29,114.54

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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.