Home / 42,615.09-58,915.11-31,986.27

Finding the Fourth Proportional to 42,615.09, 58,915.11 and 31,986.27

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Solution

The fourth proportional to 42,615.09, 58,915.11 and 31,986.27 is: 44,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.09 : 58,915.11 = 31,986.27 : x
  2. Step 2: Convert to fraction form
    42,615.09/58,915.11 = 31,986.27/x
  3. Step 3: Cross multiply
    42,615.09x = 58,915.11 × 31,986.27
  4. Step 4: Simplify right side
    42,615.09x = 1,884,474,615.54
  5. Step 5: Solve for x
    x = 1,884,474,615.54/42,615.09
  6. Step 6: Final answer
    x = 44,220.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.