Home / 51,176.80-76,848.56-31,579.84

Finding the Fourth Proportional to 51,176.80, 76,848.56 and 31,579.84

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Solution

The fourth proportional to 51,176.80, 76,848.56 and 31,579.84 is: 47,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.80 : 76,848.56 = 31,579.84 : x
  2. Step 2: Convert to fraction form
    51,176.80/76,848.56 = 31,579.84/x
  3. Step 3: Cross multiply
    51,176.80x = 76,848.56 × 31,579.84
  4. Step 4: Simplify right side
    51,176.80x = 2,426,865,229.03
  5. Step 5: Solve for x
    x = 2,426,865,229.03/51,176.80
  6. Step 6: Final answer
    x = 47,421.20

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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.