Home / 55,225.40-82,838.10-20,178.73

Finding the Fourth Proportional to 55,225.40, 82,838.10 and 20,178.73

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Solution

The fourth proportional to 55,225.40, 82,838.10 and 20,178.73 is: 30,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225.40 : 82,838.10 = 20,178.73 : x
  2. Step 2: Convert to fraction form
    55,225.40/82,838.10 = 20,178.73/x
  3. Step 3: Cross multiply
    55,225.40x = 82,838.10 × 20,178.73
  4. Step 4: Simplify right side
    55,225.40x = 1,671,567,653.61
  5. Step 5: Solve for x
    x = 1,671,567,653.61/55,225.40
  6. Step 6: Final answer
    x = 30,268.10

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Similar ratio
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1.5x scale

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.