Home / 53,471.39-80,352.47-28,529.06

Finding the Fourth Proportional to 53,471.39, 80,352.47 and 28,529.06

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Solution

The fourth proportional to 53,471.39, 80,352.47 and 28,529.06 is: 42,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471.39 : 80,352.47 = 28,529.06 : x
  2. Step 2: Convert to fraction form
    53,471.39/80,352.47 = 28,529.06/x
  3. Step 3: Cross multiply
    53,471.39x = 80,352.47 × 28,529.06
  4. Step 4: Simplify right side
    53,471.39x = 2,292,380,107.34
  5. Step 5: Solve for x
    x = 2,292,380,107.34/53,471.39
  6. Step 6: Final answer
    x = 42,871.16

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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.