Home / 39,820.42-54,929.32-24,890.50

Finding the Fourth Proportional to 39,820.42, 54,929.32 and 24,890.50

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Solution

The fourth proportional to 39,820.42, 54,929.32 and 24,890.50 is: 34,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.42 : 54,929.32 = 24,890.50 : x
  2. Step 2: Convert to fraction form
    39,820.42/54,929.32 = 24,890.50/x
  3. Step 3: Cross multiply
    39,820.42x = 54,929.32 × 24,890.50
  4. Step 4: Simplify right side
    39,820.42x = 1,367,218,239.46
  5. Step 5: Solve for x
    x = 1,367,218,239.46/39,820.42
  6. Step 6: Final answer
    x = 34,334.60

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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.