Home / 40,730.49-61,057.87-15,786.81

Finding the Fourth Proportional to 40,730.49, 61,057.87 and 15,786.81

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Solution

The fourth proportional to 40,730.49, 61,057.87 and 15,786.81 is: 23,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.49 : 61,057.87 = 15,786.81 : x
  2. Step 2: Convert to fraction form
    40,730.49/61,057.87 = 15,786.81/x
  3. Step 3: Cross multiply
    40,730.49x = 61,057.87 × 15,786.81
  4. Step 4: Simplify right side
    40,730.49x = 963,908,953.23
  5. Step 5: Solve for x
    x = 963,908,953.23/40,730.49
  6. Step 6: Final answer
    x = 23,665.54

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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.