Home / 57,127.58-78,835.08-31,633.38

Finding the Fourth Proportional to 57,127.58, 78,835.08 and 31,633.38

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Solution

The fourth proportional to 57,127.58, 78,835.08 and 31,633.38 is: 43,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.58 : 78,835.08 = 31,633.38 : x
  2. Step 2: Convert to fraction form
    57,127.58/78,835.08 = 31,633.38/x
  3. Step 3: Cross multiply
    57,127.58x = 78,835.08 × 31,633.38
  4. Step 4: Simplify right side
    57,127.58x = 2,493,820,042.97
  5. Step 5: Solve for x
    x = 2,493,820,042.97/57,127.58
  6. Step 6: Final answer
    x = 43,653.53

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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.