Home / 55,445.50-76,516.68-30,296.62

Finding the Fourth Proportional to 55,445.50, 76,516.68 and 30,296.62

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Solution

The fourth proportional to 55,445.50, 76,516.68 and 30,296.62 is: 41,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.50 : 76,516.68 = 30,296.62 : x
  2. Step 2: Convert to fraction form
    55,445.50/76,516.68 = 30,296.62/x
  3. Step 3: Cross multiply
    55,445.50x = 76,516.68 × 30,296.62
  4. Step 4: Simplify right side
    55,445.50x = 2,318,196,777.62
  5. Step 5: Solve for x
    x = 2,318,196,777.62/55,445.50
  6. Step 6: Final answer
    x = 41,810.37

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Double scale
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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.