Home / 53,869.43-74,339.93-30,000.83

Finding the Fourth Proportional to 53,869.43, 74,339.93 and 30,000.83

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Solution

The fourth proportional to 53,869.43, 74,339.93 and 30,000.83 is: 41,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.43 : 74,339.93 = 30,000.83 : x
  2. Step 2: Convert to fraction form
    53,869.43/74,339.93 = 30,000.83/x
  3. Step 3: Cross multiply
    53,869.43x = 74,339.93 × 30,000.83
  4. Step 4: Simplify right side
    53,869.43x = 2,230,259,554.85
  5. Step 5: Solve for x
    x = 2,230,259,554.85/53,869.43
  6. Step 6: Final answer
    x = 41,401.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.