Home / 50,516.69-69,699.36-28,712.66

Finding the Fourth Proportional to 50,516.69, 69,699.36 and 28,712.66

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Solution

The fourth proportional to 50,516.69, 69,699.36 and 28,712.66 is: 39,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,516.69 : 69,699.36 = 28,712.66 : x
  2. Step 2: Convert to fraction form
    50,516.69/69,699.36 = 28,712.66/x
  3. Step 3: Cross multiply
    50,516.69x = 69,699.36 × 28,712.66
  4. Step 4: Simplify right side
    50,516.69x = 2,001,254,025.90
  5. Step 5: Solve for x
    x = 2,001,254,025.90/50,516.69
  6. Step 6: Final answer
    x = 39,615.70

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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.