Home / 51,860.59-71,568.53-30,639.81

Finding the Fourth Proportional to 51,860.59, 71,568.53 and 30,639.81

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Solution

The fourth proportional to 51,860.59, 71,568.53 and 30,639.81 is: 42,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,860.59 : 71,568.53 = 30,639.81 : x
  2. Step 2: Convert to fraction form
    51,860.59/71,568.53 = 30,639.81/x
  3. Step 3: Cross multiply
    51,860.59x = 71,568.53 × 30,639.81
  4. Step 4: Simplify right side
    51,860.59x = 2,192,846,161.18
  5. Step 5: Solve for x
    x = 2,192,846,161.18/51,860.59
  6. Step 6: Final answer
    x = 42,283.48

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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.