Home / 51,456.84-71,011.76-30,237.24

Finding the Fourth Proportional to 51,456.84, 71,011.76 and 30,237.24

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Solution

The fourth proportional to 51,456.84, 71,011.76 and 30,237.24 is: 41,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.84 : 71,011.76 = 30,237.24 : x
  2. Step 2: Convert to fraction form
    51,456.84/71,011.76 = 30,237.24/x
  3. Step 3: Cross multiply
    51,456.84x = 71,011.76 × 30,237.24
  4. Step 4: Simplify right side
    51,456.84x = 2,147,199,629.94
  5. Step 5: Solve for x
    x = 2,147,199,629.94/51,456.84
  6. Step 6: Final answer
    x = 41,728.17

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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.