Home / 70,660.32-97,510.46-38,828.84

Finding the Fourth Proportional to 70,660.32, 97,510.46 and 38,828.84

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Solution

The fourth proportional to 70,660.32, 97,510.46 and 38,828.84 is: 53,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.32 : 97,510.46 = 38,828.84 : x
  2. Step 2: Convert to fraction form
    70,660.32/97,510.46 = 38,828.84/x
  3. Step 3: Cross multiply
    70,660.32x = 97,510.46 × 38,828.84
  4. Step 4: Simplify right side
    70,660.32x = 3,786,218,049.67
  5. Step 5: Solve for x
    x = 3,786,218,049.67/70,660.32
  6. Step 6: Final answer
    x = 53,583.37

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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.