Home / 57,038.12-85,561.50-15,485.48

Finding the Fourth Proportional to 57,038.12, 85,561.50 and 15,485.48

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Solution

The fourth proportional to 57,038.12, 85,561.50 and 15,485.48 is: 23,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,038.12 : 85,561.50 = 15,485.48 : x
  2. Step 2: Convert to fraction form
    57,038.12/85,561.50 = 15,485.48/x
  3. Step 3: Cross multiply
    57,038.12x = 85,561.50 × 15,485.48
  4. Step 4: Simplify right side
    57,038.12x = 1,324,960,897.02
  5. Step 5: Solve for x
    x = 1,324,960,897.02/57,038.12
  6. Step 6: Final answer
    x = 23,229.39

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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.