Home / 40,759.76-56,203.26-28,802.54

Finding the Fourth Proportional to 40,759.76, 56,203.26 and 28,802.54

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Solution

The fourth proportional to 40,759.76, 56,203.26 and 28,802.54 is: 39,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,759.76 : 56,203.26 = 28,802.54 : x
  2. Step 2: Convert to fraction form
    40,759.76/56,203.26 = 28,802.54/x
  3. Step 3: Cross multiply
    40,759.76x = 56,203.26 × 28,802.54
  4. Step 4: Simplify right side
    40,759.76x = 1,618,796,644.28
  5. Step 5: Solve for x
    x = 1,618,796,644.28/40,759.76
  6. Step 6: Final answer
    x = 39,715.56

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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.