Home / 42,635.10-63,971.06-22,890.60

Finding the Fourth Proportional to 42,635.10, 63,971.06 and 22,890.60

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Solution

The fourth proportional to 42,635.10, 63,971.06 and 22,890.60 is: 34,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,635.10 : 63,971.06 = 22,890.60 : x
  2. Step 2: Convert to fraction form
    42,635.10/63,971.06 = 22,890.60/x
  3. Step 3: Cross multiply
    42,635.10x = 63,971.06 × 22,890.60
  4. Step 4: Simplify right side
    42,635.10x = 1,464,335,946.04
  5. Step 5: Solve for x
    x = 1,464,335,946.04/42,635.10
  6. Step 6: Final answer
    x = 34,345.78

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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.