Home / 32,878.37-45,361.28-18,536.42

Finding the Fourth Proportional to 32,878.37, 45,361.28 and 18,536.42

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Solution

The fourth proportional to 32,878.37, 45,361.28 and 18,536.42 is: 25,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.37 : 45,361.28 = 18,536.42 : x
  2. Step 2: Convert to fraction form
    32,878.37/45,361.28 = 18,536.42/x
  3. Step 3: Cross multiply
    32,878.37x = 45,361.28 × 18,536.42
  4. Step 4: Simplify right side
    32,878.37x = 840,835,897.56
  5. Step 5: Solve for x
    x = 840,835,897.56/32,878.37
  6. Step 6: Final answer
    x = 25,574.13

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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.