Home / 48,438.65-66,846.81-29,321.91

Finding the Fourth Proportional to 48,438.65, 66,846.81 and 29,321.91

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Solution

The fourth proportional to 48,438.65, 66,846.81 and 29,321.91 is: 40,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.65 : 66,846.81 = 29,321.91 : x
  2. Step 2: Convert to fraction form
    48,438.65/66,846.81 = 29,321.91/x
  3. Step 3: Cross multiply
    48,438.65x = 66,846.81 × 29,321.91
  4. Step 4: Simplify right side
    48,438.65x = 1,960,076,146.61
  5. Step 5: Solve for x
    x = 1,960,076,146.61/48,438.65
  6. Step 6: Final answer
    x = 40,465.13

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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.