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Finding the Fourth Proportional to 62,458.36, 93,621.93 and 22,990.30

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Solution

The fourth proportional to 62,458.36, 93,621.93 and 22,990.30 is: 34,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,458.36 : 93,621.93 = 22,990.30 : x
  2. Step 2: Convert to fraction form
    62,458.36/93,621.93 = 22,990.30/x
  3. Step 3: Cross multiply
    62,458.36x = 93,621.93 × 22,990.30
  4. Step 4: Simplify right side
    62,458.36x = 2,152,396,257.28
  5. Step 5: Solve for x
    x = 2,152,396,257.28/62,458.36
  6. Step 6: Final answer
    x = 34,461.30

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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.