Home / 55,316.46-82,948.76-20,231.58

Finding the Fourth Proportional to 55,316.46, 82,948.76 and 20,231.58

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Solution

The fourth proportional to 55,316.46, 82,948.76 and 20,231.58 is: 30,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.46 : 82,948.76 = 20,231.58 : x
  2. Step 2: Convert to fraction form
    55,316.46/82,948.76 = 20,231.58/x
  3. Step 3: Cross multiply
    55,316.46x = 82,948.76 × 20,231.58
  4. Step 4: Simplify right side
    55,316.46x = 1,678,184,473.84
  5. Step 5: Solve for x
    x = 1,678,184,473.84/55,316.46
  6. Step 6: Final answer
    x = 30,337.89

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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.