Home / 53,869.74-80,841.48-18,809.40

Finding the Fourth Proportional to 53,869.74, 80,841.48 and 18,809.40

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Solution

The fourth proportional to 53,869.74, 80,841.48 and 18,809.40 is: 28,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.74 : 80,841.48 = 18,809.40 : x
  2. Step 2: Convert to fraction form
    53,869.74/80,841.48 = 18,809.40/x
  3. Step 3: Cross multiply
    53,869.74x = 80,841.48 × 18,809.40
  4. Step 4: Simplify right side
    53,869.74x = 1,520,579,733.91
  5. Step 5: Solve for x
    x = 1,520,579,733.91/53,869.74
  6. Step 6: Final answer
    x = 28,226.97

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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.