Home / 62,340.48-93,520.32-20,784

Finding the Fourth Proportional to 62,340.48, 93,520.32 and 20,784

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Solution

The fourth proportional to 62,340.48, 93,520.32 and 20,784 is: 31,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,340.48 : 93,520.32 = 20,784 : x
  2. Step 2: Convert to fraction form
    62,340.48/93,520.32 = 20,784/x
  3. Step 3: Cross multiply
    62,340.48x = 93,520.32 × 20,784
  4. Step 4: Simplify right side
    62,340.48x = 1,943,726,330.88
  5. Step 5: Solve for x
    x = 1,943,726,330.88/62,340.48
  6. Step 6: Final answer
    x = 31,179.20

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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.