Home / 70,039.49-105,010.63-25,660.13

Finding the Fourth Proportional to 70,039.49, 105,010.63 and 25,660.13

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Solution

The fourth proportional to 70,039.49, 105,010.63 and 25,660.13 is: 38,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,039.49 : 105,010.63 = 25,660.13 : x
  2. Step 2: Convert to fraction form
    70,039.49/105,010.63 = 25,660.13/x
  3. Step 3: Cross multiply
    70,039.49x = 105,010.63 × 25,660.13
  4. Step 4: Simplify right side
    70,039.49x = 2,694,585,827.98
  5. Step 5: Solve for x
    x = 2,694,585,827.98/70,039.49
  6. Step 6: Final answer
    x = 38,472.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.