Home / 52,214.22-78,295.61-18,929.30

Finding the Fourth Proportional to 52,214.22, 78,295.61 and 18,929.30

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Solution

The fourth proportional to 52,214.22, 78,295.61 and 18,929.30 is: 28,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.22 : 78,295.61 = 18,929.30 : x
  2. Step 2: Convert to fraction form
    52,214.22/78,295.61 = 18,929.30/x
  3. Step 3: Cross multiply
    52,214.22x = 78,295.61 × 18,929.30
  4. Step 4: Simplify right side
    52,214.22x = 1,482,080,746.22
  5. Step 5: Solve for x
    x = 1,482,080,746.22/52,214.22
  6. Step 6: Final answer
    x = 28,384.62

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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.