Home / 53,311.74-73,570.20-29,438.46

Finding the Fourth Proportional to 53,311.74, 73,570.20 and 29,438.46

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Solution

The fourth proportional to 53,311.74, 73,570.20 and 29,438.46 is: 40,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.74 : 73,570.20 = 29,438.46 : x
  2. Step 2: Convert to fraction form
    53,311.74/73,570.20 = 29,438.46/x
  3. Step 3: Cross multiply
    53,311.74x = 73,570.20 × 29,438.46
  4. Step 4: Simplify right side
    53,311.74x = 2,165,793,389.89
  5. Step 5: Solve for x
    x = 2,165,793,389.89/53,311.74
  6. Step 6: Final answer
    x = 40,625.07

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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.