Home / 53,491.31-73,818.91-29,291.88

Finding the Fourth Proportional to 53,491.31, 73,818.91 and 29,291.88

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Solution

The fourth proportional to 53,491.31, 73,818.91 and 29,291.88 is: 40,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,491.31 : 73,818.91 = 29,291.88 : x
  2. Step 2: Convert to fraction form
    53,491.31/73,818.91 = 29,291.88/x
  3. Step 3: Cross multiply
    53,491.31x = 73,818.91 × 29,291.88
  4. Step 4: Simplify right side
    53,491.31x = 2,162,294,506.99
  5. Step 5: Solve for x
    x = 2,162,294,506.99/53,491.31
  6. Step 6: Final answer
    x = 40,423.29

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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.