Home / 55,088.32-82,639.84-21,800.61

Finding the Fourth Proportional to 55,088.32, 82,639.84 and 21,800.61

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Solution

The fourth proportional to 55,088.32, 82,639.84 and 21,800.61 is: 32,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.32 : 82,639.84 = 21,800.61 : x
  2. Step 2: Convert to fraction form
    55,088.32/82,639.84 = 21,800.61/x
  3. Step 3: Cross multiply
    55,088.32x = 82,639.84 × 21,800.61
  4. Step 4: Simplify right side
    55,088.32x = 1,801,598,400.10
  5. Step 5: Solve for x
    x = 1,801,598,400.10/55,088.32
  6. Step 6: Final answer
    x = 32,703.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.