Home / 43,121.63-64,682.73-15,041.58

Finding the Fourth Proportional to 43,121.63, 64,682.73 and 15,041.58

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Solution

The fourth proportional to 43,121.63, 64,682.73 and 15,041.58 is: 22,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.63 : 64,682.73 = 15,041.58 : x
  2. Step 2: Convert to fraction form
    43,121.63/64,682.73 = 15,041.58/x
  3. Step 3: Cross multiply
    43,121.63x = 64,682.73 × 15,041.58
  4. Step 4: Simplify right side
    43,121.63x = 972,930,457.91
  5. Step 5: Solve for x
    x = 972,930,457.91/43,121.63
  6. Step 6: Final answer
    x = 22,562.47

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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.