Home / 57,282.73-79,048.06-31,790.21

Finding the Fourth Proportional to 57,282.73, 79,048.06 and 31,790.21

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Solution

The fourth proportional to 57,282.73, 79,048.06 and 31,790.21 is: 43,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282.73 : 79,048.06 = 31,790.21 : x
  2. Step 2: Convert to fraction form
    57,282.73/79,048.06 = 31,790.21/x
  3. Step 3: Cross multiply
    57,282.73x = 79,048.06 × 31,790.21
  4. Step 4: Simplify right side
    57,282.73x = 2,512,953,952.78
  5. Step 5: Solve for x
    x = 2,512,953,952.78/57,282.73
  6. Step 6: Final answer
    x = 43,869.31

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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.