Home / 64,899.90-97,359.98-20,522.43

Finding the Fourth Proportional to 64,899.90, 97,359.98 and 20,522.43

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Solution

The fourth proportional to 64,899.90, 97,359.98 and 20,522.43 is: 30,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,899.90 : 97,359.98 = 20,522.43 : x
  2. Step 2: Convert to fraction form
    64,899.90/97,359.98 = 20,522.43/x
  3. Step 3: Cross multiply
    64,899.90x = 97,359.98 × 20,522.43
  4. Step 4: Simplify right side
    64,899.90x = 1,998,063,271.74
  5. Step 5: Solve for x
    x = 1,998,063,271.74/64,899.90
  6. Step 6: Final answer
    x = 30,786.85

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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.