Home / 30,593.76-42,216.80-17,163.20

Finding the Fourth Proportional to 30,593.76, 42,216.80 and 17,163.20

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Solution

The fourth proportional to 30,593.76, 42,216.80 and 17,163.20 is: 23,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.76 : 42,216.80 = 17,163.20 : x
  2. Step 2: Convert to fraction form
    30,593.76/42,216.80 = 17,163.20/x
  3. Step 3: Cross multiply
    30,593.76x = 42,216.80 × 17,163.20
  4. Step 4: Simplify right side
    30,593.76x = 724,575,381.76
  5. Step 5: Solve for x
    x = 724,575,381.76/30,593.76
  6. Step 6: Final answer
    x = 23,683.76

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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.