Home / 57,278.97-79,038.57-31,784.49

Finding the Fourth Proportional to 57,278.97, 79,038.57 and 31,784.49

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Solution

The fourth proportional to 57,278.97, 79,038.57 and 31,784.49 is: 43,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,278.97 : 79,038.57 = 31,784.49 : x
  2. Step 2: Convert to fraction form
    57,278.97/79,038.57 = 31,784.49/x
  3. Step 3: Cross multiply
    57,278.97x = 79,038.57 × 31,784.49
  4. Step 4: Simplify right side
    57,278.97x = 2,512,200,637.78
  5. Step 5: Solve for x
    x = 2,512,200,637.78/57,278.97
  6. Step 6: Final answer
    x = 43,859.04

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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.