Home / 51,215.53-70,652.30-34,223.94

Finding the Fourth Proportional to 51,215.53, 70,652.30 and 34,223.94

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Solution

The fourth proportional to 51,215.53, 70,652.30 and 34,223.94 is: 47,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.53 : 70,652.30 = 34,223.94 : x
  2. Step 2: Convert to fraction form
    51,215.53/70,652.30 = 34,223.94/x
  3. Step 3: Cross multiply
    51,215.53x = 70,652.30 × 34,223.94
  4. Step 4: Simplify right side
    51,215.53x = 2,418,000,076.06
  5. Step 5: Solve for x
    x = 2,418,000,076.06/51,215.53
  6. Step 6: Final answer
    x = 47,212.25

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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.