Home / 51,324.40-70,827.72-29,818.32

Finding the Fourth Proportional to 51,324.40, 70,827.72 and 29,818.32

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Solution

The fourth proportional to 51,324.40, 70,827.72 and 29,818.32 is: 41,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.40 : 70,827.72 = 29,818.32 : x
  2. Step 2: Convert to fraction form
    51,324.40/70,827.72 = 29,818.32/x
  3. Step 3: Cross multiply
    51,324.40x = 70,827.72 × 29,818.32
  4. Step 4: Simplify right side
    51,324.40x = 2,111,963,619.83
  5. Step 5: Solve for x
    x = 2,111,963,619.83/51,324.40
  6. Step 6: Final answer
    x = 41,149.31

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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.