Home / 55,490.41-76,576.76-30,339.91

Finding the Fourth Proportional to 55,490.41, 76,576.76 and 30,339.91

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Solution

The fourth proportional to 55,490.41, 76,576.76 and 30,339.91 is: 41,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.41 : 76,576.76 = 30,339.91 : x
  2. Step 2: Convert to fraction form
    55,490.41/76,576.76 = 30,339.91/x
  3. Step 3: Cross multiply
    55,490.41x = 76,576.76 × 30,339.91
  4. Step 4: Simplify right side
    55,490.41x = 2,323,331,890.90
  5. Step 5: Solve for x
    x = 2,323,331,890.90/55,490.41
  6. Step 6: Final answer
    x = 41,869.07

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1.5x scale

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.