Home / 32,886-45,421.56-22,257.18

Finding the Fourth Proportional to 32,886, 45,421.56 and 22,257.18

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Solution

The fourth proportional to 32,886, 45,421.56 and 22,257.18 is: 30,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,886 : 45,421.56 = 22,257.18 : x
  2. Step 2: Convert to fraction form
    32,886/45,421.56 = 22,257.18/x
  3. Step 3: Cross multiply
    32,886x = 45,421.56 × 22,257.18
  4. Step 4: Simplify right side
    32,886x = 1,010,955,836.80
  5. Step 5: Solve for x
    x = 1,010,955,836.80/32,886
  6. Step 6: Final answer
    x = 30,741.22

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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.