Home / 34,228.99-47,216.29-20,607.56

Finding the Fourth Proportional to 34,228.99, 47,216.29 and 20,607.56

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Solution

The fourth proportional to 34,228.99, 47,216.29 and 20,607.56 is: 28,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,228.99 : 47,216.29 = 20,607.56 : x
  2. Step 2: Convert to fraction form
    34,228.99/47,216.29 = 20,607.56/x
  3. Step 3: Cross multiply
    34,228.99x = 47,216.29 × 20,607.56
  4. Step 4: Simplify right side
    34,228.99x = 973,012,190.03
  5. Step 5: Solve for x
    x = 973,012,190.03/34,228.99
  6. Step 6: Final answer
    x = 28,426.56

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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.