Home / 51,600.48-71,208-28,945.17

Finding the Fourth Proportional to 51,600.48, 71,208 and 28,945.17

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Solution

The fourth proportional to 51,600.48, 71,208 and 28,945.17 is: 39,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,600.48 : 71,208 = 28,945.17 : x
  2. Step 2: Convert to fraction form
    51,600.48/71,208 = 28,945.17/x
  3. Step 3: Cross multiply
    51,600.48x = 71,208 × 28,945.17
  4. Step 4: Simplify right side
    51,600.48x = 2,061,127,665.36
  5. Step 5: Solve for x
    x = 2,061,127,665.36/51,600.48
  6. Step 6: Final answer
    x = 39,943.96

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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.