Home / 32,919.04-45,428.20-18,015.04

Finding the Fourth Proportional to 32,919.04, 45,428.20 and 18,015.04

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Solution

The fourth proportional to 32,919.04, 45,428.20 and 18,015.04 is: 24,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,919.04 : 45,428.20 = 18,015.04 : x
  2. Step 2: Convert to fraction form
    32,919.04/45,428.20 = 18,015.04/x
  3. Step 3: Cross multiply
    32,919.04x = 45,428.20 × 18,015.04
  4. Step 4: Simplify right side
    32,919.04x = 818,390,840.13
  5. Step 5: Solve for x
    x = 818,390,840.13/32,919.04
  6. Step 6: Final answer
    x = 24,860.71

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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.