Home / 53,742.52-80,627.44-31,574.64

Finding the Fourth Proportional to 53,742.52, 80,627.44 and 31,574.64

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Solution

The fourth proportional to 53,742.52, 80,627.44 and 31,574.64 is: 47,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.52 : 80,627.44 = 31,574.64 : x
  2. Step 2: Convert to fraction form
    53,742.52/80,627.44 = 31,574.64/x
  3. Step 3: Cross multiply
    53,742.52x = 80,627.44 × 31,574.64
  4. Step 4: Simplify right side
    53,742.52x = 2,545,782,392.12
  5. Step 5: Solve for x
    x = 2,545,782,392.12/53,742.52
  6. Step 6: Final answer
    x = 47,369.99

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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.