Home / 31,986.55-47,885.05-23,703.74

Finding the Fourth Proportional to 31,986.55, 47,885.05 and 23,703.74

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Solution

The fourth proportional to 31,986.55, 47,885.05 and 23,703.74 is: 35,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.55 : 47,885.05 = 23,703.74 : x
  2. Step 2: Convert to fraction form
    31,986.55/47,885.05 = 23,703.74/x
  3. Step 3: Cross multiply
    31,986.55x = 47,885.05 × 23,703.74
  4. Step 4: Simplify right side
    31,986.55x = 1,135,054,876.20
  5. Step 5: Solve for x
    x = 1,135,054,876.20/31,986.55
  6. Step 6: Final answer
    x = 35,485.38

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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.