Home / 51,432.33-70,977.96-30,207.36

Finding the Fourth Proportional to 51,432.33, 70,977.96 and 30,207.36

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Solution

The fourth proportional to 51,432.33, 70,977.96 and 30,207.36 is: 41,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.33 : 70,977.96 = 30,207.36 : x
  2. Step 2: Convert to fraction form
    51,432.33/70,977.96 = 30,207.36/x
  3. Step 3: Cross multiply
    51,432.33x = 70,977.96 × 30,207.36
  4. Step 4: Simplify right side
    51,432.33x = 2,144,056,789.79
  5. Step 5: Solve for x
    x = 2,144,056,789.79/51,432.33
  6. Step 6: Final answer
    x = 41,686.95

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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.