Home / 52,231.48-78,346.77-12,788.63

Finding the Fourth Proportional to 52,231.48, 78,346.77 and 12,788.63

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Solution

The fourth proportional to 52,231.48, 78,346.77 and 12,788.63 is: 19,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.48 : 78,346.77 = 12,788.63 : x
  2. Step 2: Convert to fraction form
    52,231.48/78,346.77 = 12,788.63/x
  3. Step 3: Cross multiply
    52,231.48x = 78,346.77 × 12,788.63
  4. Step 4: Simplify right side
    52,231.48x = 1,001,948,184.00
  5. Step 5: Solve for x
    x = 1,001,948,184.00/52,231.48
  6. Step 6: Final answer
    x = 19,182.84

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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.