Home / 36,281.58-54,459.45-18,763.98

Finding the Fourth Proportional to 36,281.58, 54,459.45 and 18,763.98

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Solution

The fourth proportional to 36,281.58, 54,459.45 and 18,763.98 is: 28,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.58 : 54,459.45 = 18,763.98 : x
  2. Step 2: Convert to fraction form
    36,281.58/54,459.45 = 18,763.98/x
  3. Step 3: Cross multiply
    36,281.58x = 54,459.45 × 18,763.98
  4. Step 4: Simplify right side
    36,281.58x = 1,021,876,030.61
  5. Step 5: Solve for x
    x = 1,021,876,030.61/36,281.58
  6. Step 6: Final answer
    x = 28,165.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.