Home / 57,408.84-79,225.56-31,915.98

Finding the Fourth Proportional to 57,408.84, 79,225.56 and 31,915.98

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Solution

The fourth proportional to 57,408.84, 79,225.56 and 31,915.98 is: 44,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,408.84 : 79,225.56 = 31,915.98 : x
  2. Step 2: Convert to fraction form
    57,408.84/79,225.56 = 31,915.98/x
  3. Step 3: Cross multiply
    57,408.84x = 79,225.56 × 31,915.98
  4. Step 4: Simplify right side
    57,408.84x = 2,528,561,388.45
  5. Step 5: Solve for x
    x = 2,528,561,388.45/57,408.84
  6. Step 6: Final answer
    x = 44,044.81

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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.