Home / 62,192.81-93,289.22-20,639.81

Finding the Fourth Proportional to 62,192.81, 93,289.22 and 20,639.81

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Solution

The fourth proportional to 62,192.81, 93,289.22 and 20,639.81 is: 30,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,192.81 : 93,289.22 = 20,639.81 : x
  2. Step 2: Convert to fraction form
    62,192.81/93,289.22 = 20,639.81/x
  3. Step 3: Cross multiply
    62,192.81x = 93,289.22 × 20,639.81
  4. Step 4: Simplify right side
    62,192.81x = 1,925,471,983.27
  5. Step 5: Solve for x
    x = 1,925,471,983.27/62,192.81
  6. Step 6: Final answer
    x = 30,959.72

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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.