Home / 43,245.48-64,871.28-15,162.24

Finding the Fourth Proportional to 43,245.48, 64,871.28 and 15,162.24

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Solution

The fourth proportional to 43,245.48, 64,871.28 and 15,162.24 is: 22,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,245.48 : 64,871.28 = 15,162.24 : x
  2. Step 2: Convert to fraction form
    43,245.48/64,871.28 = 15,162.24/x
  3. Step 3: Cross multiply
    43,245.48x = 64,871.28 × 15,162.24
  4. Step 4: Simplify right side
    43,245.48x = 983,593,916.47
  5. Step 5: Solve for x
    x = 983,593,916.47/43,245.48
  6. Step 6: Final answer
    x = 22,744.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.