Home / 32,761.48-45,212.42-18,425.80

Finding the Fourth Proportional to 32,761.48, 45,212.42 and 18,425.80

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Solution

The fourth proportional to 32,761.48, 45,212.42 and 18,425.80 is: 25,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,761.48 : 45,212.42 = 18,425.80 : x
  2. Step 2: Convert to fraction form
    32,761.48/45,212.42 = 18,425.80/x
  3. Step 3: Cross multiply
    32,761.48x = 45,212.42 × 18,425.80
  4. Step 4: Simplify right side
    32,761.48x = 833,075,008.44
  5. Step 5: Solve for x
    x = 833,075,008.44/32,761.48
  6. Step 6: Final answer
    x = 25,428.49

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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.