Home / 52,218.60-78,328.30-14,779.88

Finding the Fourth Proportional to 52,218.60, 78,328.30 and 14,779.88

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Solution

The fourth proportional to 52,218.60, 78,328.30 and 14,779.88 is: 22,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.60 : 78,328.30 = 14,779.88 : x
  2. Step 2: Convert to fraction form
    52,218.60/78,328.30 = 14,779.88/x
  3. Step 3: Cross multiply
    52,218.60x = 78,328.30 × 14,779.88
  4. Step 4: Simplify right side
    52,218.60x = 1,157,682,874.60
  5. Step 5: Solve for x
    x = 1,157,682,874.60/52,218.60
  6. Step 6: Final answer
    x = 22,169.93

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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.