Home / 32,920.55-45,430.04-17,812.88

Finding the Fourth Proportional to 32,920.55, 45,430.04 and 17,812.88

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Solution

The fourth proportional to 32,920.55, 45,430.04 and 17,812.88 is: 24,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.55 : 45,430.04 = 17,812.88 : x
  2. Step 2: Convert to fraction form
    32,920.55/45,430.04 = 17,812.88/x
  3. Step 3: Cross multiply
    32,920.55x = 45,430.04 × 17,812.88
  4. Step 4: Simplify right side
    32,920.55x = 809,239,850.92
  5. Step 5: Solve for x
    x = 809,239,850.92/32,920.55
  6. Step 6: Final answer
    x = 24,581.60

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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.