Home / 30,593.06-42,218.53-17,855.00

Finding the Fourth Proportional to 30,593.06, 42,218.53 and 17,855.00

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Solution

The fourth proportional to 30,593.06, 42,218.53 and 17,855.00 is: 24,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.06 : 42,218.53 = 17,855.00 : x
  2. Step 2: Convert to fraction form
    30,593.06/42,218.53 = 17,855.00/x
  3. Step 3: Cross multiply
    30,593.06x = 42,218.53 × 17,855.00
  4. Step 4: Simplify right side
    30,593.06x = 753,811,914.06
  5. Step 5: Solve for x
    x = 753,811,914.06/30,593.06
  6. Step 6: Final answer
    x = 24,639.96

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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.