Home / 32,770.46-45,217.99-18,430.25

Finding the Fourth Proportional to 32,770.46, 45,217.99 and 18,430.25

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Solution

The fourth proportional to 32,770.46, 45,217.99 and 18,430.25 is: 25,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,770.46 : 45,217.99 = 18,430.25 : x
  2. Step 2: Convert to fraction form
    32,770.46/45,217.99 = 18,430.25/x
  3. Step 3: Cross multiply
    32,770.46x = 45,217.99 × 18,430.25
  4. Step 4: Simplify right side
    32,770.46x = 833,378,792.53
  5. Step 5: Solve for x
    x = 833,378,792.53/32,770.46
  6. Step 6: Final answer
    x = 25,430.79

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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.