Home / 51,128.70-70,566.21-32,974.31

Finding the Fourth Proportional to 51,128.70, 70,566.21 and 32,974.31

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Solution

The fourth proportional to 51,128.70, 70,566.21 and 32,974.31 is: 45,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.70 : 70,566.21 = 32,974.31 : x
  2. Step 2: Convert to fraction form
    51,128.70/70,566.21 = 32,974.31/x
  3. Step 3: Cross multiply
    51,128.70x = 70,566.21 × 32,974.31
  4. Step 4: Simplify right side
    51,128.70x = 2,326,872,260.48
  5. Step 5: Solve for x
    x = 2,326,872,260.48/51,128.70
  6. Step 6: Final answer
    x = 45,510.10

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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.