Home / 51,176.48-70,623.42-29,959.76

Finding the Fourth Proportional to 51,176.48, 70,623.42 and 29,959.76

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Solution

The fourth proportional to 51,176.48, 70,623.42 and 29,959.76 is: 41,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.48 : 70,623.42 = 29,959.76 : x
  2. Step 2: Convert to fraction form
    51,176.48/70,623.42 = 29,959.76/x
  3. Step 3: Cross multiply
    51,176.48x = 70,623.42 × 29,959.76
  4. Step 4: Simplify right side
    51,176.48x = 2,115,860,713.58
  5. Step 5: Solve for x
    x = 2,115,860,713.58/51,176.48
  6. Step 6: Final answer
    x = 41,344.40

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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.