Home / 33,041.30-45,581.40-18,885.90

Finding the Fourth Proportional to 33,041.30, 45,581.40 and 18,885.90

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Solution

The fourth proportional to 33,041.30, 45,581.40 and 18,885.90 is: 26,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,041.30 : 45,581.40 = 18,885.90 : x
  2. Step 2: Convert to fraction form
    33,041.30/45,581.40 = 18,885.90/x
  3. Step 3: Cross multiply
    33,041.30x = 45,581.40 × 18,885.90
  4. Step 4: Simplify right side
    33,041.30x = 860,845,762.26
  5. Step 5: Solve for x
    x = 860,845,762.26/33,041.30
  6. Step 6: Final answer
    x = 26,053.63

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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.