Home / 55,490.32-76,576.92-30,339.82

Finding the Fourth Proportional to 55,490.32, 76,576.92 and 30,339.82

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Solution

The fourth proportional to 55,490.32, 76,576.92 and 30,339.82 is: 41,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.32 : 76,576.92 = 30,339.82 : x
  2. Step 2: Convert to fraction form
    55,490.32/76,576.92 = 30,339.82/x
  3. Step 3: Cross multiply
    55,490.32x = 76,576.92 × 30,339.82
  4. Step 4: Simplify right side
    55,490.32x = 2,323,329,968.95
  5. Step 5: Solve for x
    x = 2,323,329,968.95/55,490.32
  6. Step 6: Final answer
    x = 41,869.10

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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.