Home / 57,277.43-79,043.34-31,785.51

Finding the Fourth Proportional to 57,277.43, 79,043.34 and 31,785.51

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Solution

The fourth proportional to 57,277.43, 79,043.34 and 31,785.51 is: 43,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,277.43 : 79,043.34 = 31,785.51 : x
  2. Step 2: Convert to fraction form
    57,277.43/79,043.34 = 31,785.51/x
  3. Step 3: Cross multiply
    57,277.43x = 79,043.34 × 31,785.51
  4. Step 4: Simplify right side
    57,277.43x = 2,512,433,289.61
  5. Step 5: Solve for x
    x = 2,512,433,289.61/57,277.43
  6. Step 6: Final answer
    x = 43,864.28

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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.