Home / 32,855.28-45,343.62-19,430.88

Finding the Fourth Proportional to 32,855.28, 45,343.62 and 19,430.88

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Solution

The fourth proportional to 32,855.28, 45,343.62 and 19,430.88 is: 26,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,855.28 : 45,343.62 = 19,430.88 : x
  2. Step 2: Convert to fraction form
    32,855.28/45,343.62 = 19,430.88/x
  3. Step 3: Cross multiply
    32,855.28x = 45,343.62 × 19,430.88
  4. Step 4: Simplify right side
    32,855.28x = 881,066,438.99
  5. Step 5: Solve for x
    x = 881,066,438.99/32,855.28
  6. Step 6: Final answer
    x = 26,816.59

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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.