Home / 30,769.04-42,459.72-17,343.44

Finding the Fourth Proportional to 30,769.04, 42,459.72 and 17,343.44

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Solution

The fourth proportional to 30,769.04, 42,459.72 and 17,343.44 is: 23,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.04 : 42,459.72 = 17,343.44 : x
  2. Step 2: Convert to fraction form
    30,769.04/42,459.72 = 17,343.44/x
  3. Step 3: Cross multiply
    30,769.04x = 42,459.72 × 17,343.44
  4. Step 4: Simplify right side
    30,769.04x = 736,397,606.24
  5. Step 5: Solve for x
    x = 736,397,606.24/30,769.04
  6. Step 6: Final answer
    x = 23,933.07

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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.