Home / 42,622.90-63,952.78-22,878.39

Finding the Fourth Proportional to 42,622.90, 63,952.78 and 22,878.39

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Solution

The fourth proportional to 42,622.90, 63,952.78 and 22,878.39 is: 34,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.90 : 63,952.78 = 22,878.39 : x
  2. Step 2: Convert to fraction form
    42,622.90/63,952.78 = 22,878.39/x
  3. Step 3: Cross multiply
    42,622.90x = 63,952.78 × 22,878.39
  4. Step 4: Simplify right side
    42,622.90x = 1,463,136,585.23
  5. Step 5: Solve for x
    x = 1,463,136,585.23/42,622.90
  6. Step 6: Final answer
    x = 34,327.48

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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.