Home / 42,917.66-59,247.09-28,601.31

Finding the Fourth Proportional to 42,917.66, 59,247.09 and 28,601.31

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Solution

The fourth proportional to 42,917.66, 59,247.09 and 28,601.31 is: 39,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,917.66 : 59,247.09 = 28,601.31 : x
  2. Step 2: Convert to fraction form
    42,917.66/59,247.09 = 28,601.31/x
  3. Step 3: Cross multiply
    42,917.66x = 59,247.09 × 28,601.31
  4. Step 4: Simplify right side
    42,917.66x = 1,694,544,387.69
  5. Step 5: Solve for x
    x = 1,694,544,387.69/42,917.66
  6. Step 6: Final answer
    x = 39,483.62

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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.