Home / 56,138.04-84,134.12-22,819.29

Finding the Fourth Proportional to 56,138.04, 84,134.12 and 22,819.29

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Solution

The fourth proportional to 56,138.04, 84,134.12 and 22,819.29 is: 34,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.04 : 84,134.12 = 22,819.29 : x
  2. Step 2: Convert to fraction form
    56,138.04/84,134.12 = 22,819.29/x
  3. Step 3: Cross multiply
    56,138.04x = 84,134.12 × 22,819.29
  4. Step 4: Simplify right side
    56,138.04x = 1,919,880,769.08
  5. Step 5: Solve for x
    x = 1,919,880,769.08/56,138.04
  6. Step 6: Final answer
    x = 34,199.28

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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.