Home / 43,748.20-65,579.10-17,417.80

Finding the Fourth Proportional to 43,748.20, 65,579.10 and 17,417.80

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Solution

The fourth proportional to 43,748.20, 65,579.10 and 17,417.80 is: 26,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,748.20 : 65,579.10 = 17,417.80 : x
  2. Step 2: Convert to fraction form
    43,748.20/65,579.10 = 17,417.80/x
  3. Step 3: Cross multiply
    43,748.20x = 65,579.10 × 17,417.80
  4. Step 4: Simplify right side
    43,748.20x = 1,142,243,647.98
  5. Step 5: Solve for x
    x = 1,142,243,647.98/43,748.20
  6. Step 6: Final answer
    x = 26,109.50

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1.5x scale

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.