Home / 51,913.92-71,641.76-29,558.08

Finding the Fourth Proportional to 51,913.92, 71,641.76 and 29,558.08

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Solution

The fourth proportional to 51,913.92, 71,641.76 and 29,558.08 is: 40,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.92 : 71,641.76 = 29,558.08 : x
  2. Step 2: Convert to fraction form
    51,913.92/71,641.76 = 29,558.08/x
  3. Step 3: Cross multiply
    51,913.92x = 71,641.76 × 29,558.08
  4. Step 4: Simplify right side
    51,913.92x = 2,117,592,873.42
  5. Step 5: Solve for x
    x = 2,117,592,873.42/51,913.92
  6. Step 6: Final answer
    x = 40,790.46

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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.