Home / 42,372.62-63,491.45-22,381.35

Finding the Fourth Proportional to 42,372.62, 63,491.45 and 22,381.35

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Solution

The fourth proportional to 42,372.62, 63,491.45 and 22,381.35 is: 33,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372.62 : 63,491.45 = 22,381.35 : x
  2. Step 2: Convert to fraction form
    42,372.62/63,491.45 = 22,381.35/x
  3. Step 3: Cross multiply
    42,372.62x = 63,491.45 × 22,381.35
  4. Step 4: Simplify right side
    42,372.62x = 1,421,024,014.46
  5. Step 5: Solve for x
    x = 1,421,024,014.46/42,372.62
  6. Step 6: Final answer
    x = 33,536.37

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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.