Home / 57,117.24-78,825.42-31,974.84

Finding the Fourth Proportional to 57,117.24, 78,825.42 and 31,974.84

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Solution

The fourth proportional to 57,117.24, 78,825.42 and 31,974.84 is: 44,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.24 : 78,825.42 = 31,974.84 : x
  2. Step 2: Convert to fraction form
    57,117.24/78,825.42 = 31,974.84/x
  3. Step 3: Cross multiply
    57,117.24x = 78,825.42 × 31,974.84
  4. Step 4: Simplify right side
    57,117.24x = 2,520,430,192.43
  5. Step 5: Solve for x
    x = 2,520,430,192.43/57,117.24
  6. Step 6: Final answer
    x = 44,127.31

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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.