Home / 32,972.85-45,518.30-18,822.96

Finding the Fourth Proportional to 32,972.85, 45,518.30 and 18,822.96

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Solution

The fourth proportional to 32,972.85, 45,518.30 and 18,822.96 is: 25,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,972.85 : 45,518.30 = 18,822.96 : x
  2. Step 2: Convert to fraction form
    32,972.85/45,518.30 = 18,822.96/x
  3. Step 3: Cross multiply
    32,972.85x = 45,518.30 × 18,822.96
  4. Step 4: Simplify right side
    32,972.85x = 856,789,140.17
  5. Step 5: Solve for x
    x = 856,789,140.17/32,972.85
  6. Step 6: Final answer
    x = 25,984.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.