Home / 32,642.05-45,043.45-18,491.35

Finding the Fourth Proportional to 32,642.05, 45,043.45 and 18,491.35

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Solution

The fourth proportional to 32,642.05, 45,043.45 and 18,491.35 is: 25,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,642.05 : 45,043.45 = 18,491.35 : x
  2. Step 2: Convert to fraction form
    32,642.05/45,043.45 = 18,491.35/x
  3. Step 3: Cross multiply
    32,642.05x = 45,043.45 × 18,491.35
  4. Step 4: Simplify right side
    32,642.05x = 832,914,199.16
  5. Step 5: Solve for x
    x = 832,914,199.16/32,642.05
  6. Step 6: Final answer
    x = 25,516.60

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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.