Home / 42,239.22-63,314.91-22,257.78

Finding the Fourth Proportional to 42,239.22, 63,314.91 and 22,257.78

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Solution

The fourth proportional to 42,239.22, 63,314.91 and 22,257.78 is: 33,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.22 : 63,314.91 = 22,257.78 : x
  2. Step 2: Convert to fraction form
    42,239.22/63,314.91 = 22,257.78/x
  3. Step 3: Cross multiply
    42,239.22x = 63,314.91 × 22,257.78
  4. Step 4: Simplify right side
    42,239.22x = 1,409,249,337.50
  5. Step 5: Solve for x
    x = 1,409,249,337.50/42,239.22
  6. Step 6: Final answer
    x = 33,363.53

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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.