Home / 55,537.55-76,639.92-31,671.91

Finding the Fourth Proportional to 55,537.55, 76,639.92 and 31,671.91

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Solution

The fourth proportional to 55,537.55, 76,639.92 and 31,671.91 is: 43,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,537.55 : 76,639.92 = 31,671.91 : x
  2. Step 2: Convert to fraction form
    55,537.55/76,639.92 = 31,671.91/x
  3. Step 3: Cross multiply
    55,537.55x = 76,639.92 × 31,671.91
  4. Step 4: Simplify right side
    55,537.55x = 2,427,332,803.83
  5. Step 5: Solve for x
    x = 2,427,332,803.83/55,537.55
  6. Step 6: Final answer
    x = 43,706.16

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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.