Home / 32,761.68-45,212.36-18,615.12

Finding the Fourth Proportional to 32,761.68, 45,212.36 and 18,615.12

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Solution

The fourth proportional to 32,761.68, 45,212.36 and 18,615.12 is: 25,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,761.68 : 45,212.36 = 18,615.12 : x
  2. Step 2: Convert to fraction form
    32,761.68/45,212.36 = 18,615.12/x
  3. Step 3: Cross multiply
    32,761.68x = 45,212.36 × 18,615.12
  4. Step 4: Simplify right side
    32,761.68x = 841,633,506.88
  5. Step 5: Solve for x
    x = 841,633,506.88/32,761.68
  6. Step 6: Final answer
    x = 25,689.57

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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.