Home / 40,046.04-55,276.65-28,112.31

Finding the Fourth Proportional to 40,046.04, 55,276.65 and 28,112.31

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Solution

The fourth proportional to 40,046.04, 55,276.65 and 28,112.31 is: 38,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046.04 : 55,276.65 = 28,112.31 : x
  2. Step 2: Convert to fraction form
    40,046.04/55,276.65 = 28,112.31/x
  3. Step 3: Cross multiply
    40,046.04x = 55,276.65 × 28,112.31
  4. Step 4: Simplify right side
    40,046.04x = 1,553,954,320.56
  5. Step 5: Solve for x
    x = 1,553,954,320.56/40,046.04
  6. Step 6: Final answer
    x = 38,804.19

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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.