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Finding the Fourth Proportional to 55,000.60, 82,500.90 and 28,699.19

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Solution

The fourth proportional to 55,000.60, 82,500.90 and 28,699.19 is: 43,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.60 : 82,500.90 = 28,699.19 : x
  2. Step 2: Convert to fraction form
    55,000.60/82,500.90 = 28,699.19/x
  3. Step 3: Cross multiply
    55,000.60x = 82,500.90 × 28,699.19
  4. Step 4: Simplify right side
    55,000.60x = 2,367,709,004.27
  5. Step 5: Solve for x
    x = 2,367,709,004.27/55,000.60
  6. Step 6: Final answer
    x = 43,048.79

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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.