Home / 30,958.95-42,723.85-17,529.85

Finding the Fourth Proportional to 30,958.95, 42,723.85 and 17,529.85

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Solution

The fourth proportional to 30,958.95, 42,723.85 and 17,529.85 is: 24,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.95 : 42,723.85 = 17,529.85 : x
  2. Step 2: Convert to fraction form
    30,958.95/42,723.85 = 17,529.85/x
  3. Step 3: Cross multiply
    30,958.95x = 42,723.85 × 17,529.85
  4. Step 4: Simplify right side
    30,958.95x = 748,942,681.92
  5. Step 5: Solve for x
    x = 748,942,681.92/30,958.95
  6. Step 6: Final answer
    x = 24,191.48

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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.